Paint spray gun lubricant is the unsung hero of flawless finishes. It is the silent guardian making certain your spray gun operates easily, stopping put on and tear, and conserving your paint jobs trying their greatest. Understanding the appropriate lubricant in your particular spray gun and paint sort is essential for optimum outcomes. From oil-based to artificial choices, we’ll delve into the world of paint spray gun lubrication, revealing the secrets and techniques to reaching excellent spray patterns and a longer-lasting spray gun.
This complete information will discover the various world of paint spray gun lubricants, from their essential function in lowering friction to their impression on spray patterns and longevity. We’ll look at numerous varieties, their compatibility with totally different paints, and the optimum utility strategies. Correct lubrication considerably enhances your spray gun’s efficiency and ensures constant, professional-grade outcomes each time.
Introduction to Paint Spray Gun Lubricants
Conserving your paint spray gun in tip-top form is essential for easy operation and long-lasting efficiency. A well-maintained gun ensures constant paint utility, minimizes clogs, and prevents expensive repairs. An important element on this upkeep routine is the usage of applicable lubricants.A paint spray gun lubricant is a substance designed to scale back friction and put on throughout the gun’s inner mechanisms.
This permits for simpler motion of components, minimizing pressure and maximizing effectivity. It is akin to including oil to a machine to make sure it runs easily and reliably.
Forms of Paint Spray Gun Lubricants
Lubricants are available numerous kinds, every with its personal set of traits. Understanding these variations is essential to deciding on the appropriate lubricant in your particular wants. Oil-based lubricants, as an example, are conventional and available, whereas artificial alternate options provide enhanced efficiency in particular conditions.
- Oil-Based mostly Lubricants: These are sometimes essentially the most readily accessible and budget-friendly choice. They’re sometimes derived from petroleum and provide good lubrication properties. Nevertheless, their efficiency can differ relying on the precise sort of oil and will not be very best in excessive temperatures.
- Artificial Lubricants: Formulated with artificial elements, these lubricants continuously exhibit superior efficiency traits, together with higher temperature resistance and longer-lasting lubrication. That is significantly useful in demanding environments or when uncovered to fluctuating temperatures. They typically price greater than their oil-based counterparts.
- Water-Based mostly Lubricants: These are gaining recognition for his or her environmentally pleasant properties and diminished potential for hurt to operators. Nevertheless, they will not be appropriate for all spray gun varieties and require cautious consideration of the precise utility.
Traits of Efficient Lubricants
Efficient paint spray gun lubricants possess particular traits essential for optimum efficiency. These attributes guarantee constant operation, reduce put on, and stop expensive repairs.
- Viscosity: The viscosity of a lubricant determines its thickness and talent to coat transferring components. A lubricant with the appropriate viscosity will adequately lubricate the gun’s inner mechanisms with out being too thick or skinny. Too thick, and it would hinder motion; too skinny, and it won’t successfully coat components.
- Compatibility: The lubricant ought to be suitable with the supplies used within the spray gun and the kind of paint getting used. Incompatible lubricants can result in corrosion, clogging, or different points.
- Value: Value is at all times a consider any buy resolution. Whereas higher-cost lubricants may provide superior efficiency, budget-friendly choices may also ship passable outcomes for much less demanding functions.
Lubricant Comparability Desk
The next desk supplies a comparative overview of various lubricant varieties based mostly on their viscosity, compatibility, and value.
| Lubricant Kind | Viscosity | Compatibility | Value |
|---|---|---|---|
| Oil-Based mostly | Medium | Typically good, however verify particular compatibility | Low |
| Artificial | Variable, typically greater | Glorious compatibility with many paints and supplies | Medium to Excessive |
| Water-Based mostly | Low | Good compatibility for water-based paints | Variable |
Advantages of Utilizing Lubricant
Conserving your paint spray gun in tip-top form is essential for constant, high-quality outcomes. A well-maintained gun ensures easy operation, prevents expensive repairs, and in the end saves you money and time. Lubrication performs a significant function in reaching this easy operation.Lubrication is greater than only a easy job; it is a strategic funding within the longevity and efficiency of your paint spray gun.
By understanding the basic advantages of utilizing the appropriate lubricant, you may considerably enhance the general effectivity and reliability of your tools.
Decreasing Friction in Paint Spray Weapons
Correct lubrication considerably reduces friction throughout the gun’s inner mechanisms. This discount interprets to smoother operation and fewer pressure on the motor and transferring components. Decreased friction interprets on to a extra snug and environment friendly spraying expertise.
Stopping Put on and Tear on Spray Gun Parts
Lubrication acts as a protecting barrier, shielding inner parts from abrasive particles and the cruel situations of operation. This protecting layer minimizes the impression of friction, considerably extending the lifespan of the gun’s essential parts. A well-lubricated gun is much less more likely to expertise untimely put on and tear, making certain years of dependable service.
Sustaining Optimum Spray Patterns
Lubrication ensures that the spray nozzle and inner mechanisms transfer with precision and consistency. This exact motion interprets to a constant and even spray sample, which is crucial for reaching professional-looking finishes. A steady spray sample minimizes the necessity for changes and ensures constant paint utility.
Affect on the Longevity of Paint Spray Weapons
By lowering friction and defending parts, lubricant immediately impacts the general lifespan of your paint spray gun. A well-lubricated gun will expertise fewer breakdowns and repairs, in the end resulting in important price financial savings over its operational lifetime. Common lubrication is a vital a part of proactive upkeep.
Results of Insufficient or Incorrect Lubricant
Utilizing the fallacious sort of lubricant can result in adversarial results, together with elevated friction, accelerated put on, and in the end, untimely failure of the spray gun. Selecting the suitable lubricant in your particular gun is crucial for optimum efficiency and prolonged life. Utilizing unsuitable lubricants can result in injury and expensive repairs.
Correlation Between Lubricant High quality and Spray Gun Efficiency
The standard of the lubricant immediately impacts the efficiency of the paint spray gun. Excessive-quality lubricants present superior safety towards put on, leading to smoother operation, constant spray patterns, and prolonged tools lifespan. Low-quality lubricants can result in inconsistent outcomes and probably trigger untimely failure of the spray gun.
| Lubricant High quality | Spray Gun Efficiency |
|---|---|
| Excessive | Easy operation, constant spray patterns, prolonged lifespan |
| Medium | Enough efficiency, reasonable put on, common lifespan |
| Low | Tough operation, inconsistent spray patterns, shortened lifespan |
Forms of Lubricants and Their Functions: Paint Spray Gun Lubricant
Selecting the best lubricant in your paint spray gun is essential for constant outcomes and an extended lifespan in your tools. Totally different paint varieties require particular lubricant traits to make sure easy operation, stop clogging, and keep optimum spray high quality. Understanding these nuances will empower you to make knowledgeable selections, saving you time, cash, and frustration in the long term.Lubricants for paint spray weapons are available numerous kinds, every with its personal strengths and weaknesses.
The perfect selection relies upon closely on the kind of paint you are utilizing. Components like viscosity, chemical compatibility, and the precise calls for of the spraying course of are all important concerns. A well-chosen lubricant interprets right into a easy, clog-free operation, leading to a professional-looking end each time.
Lubricant Viscosity Necessities
Viscosity, basically the lubricant’s resistance to stream, is a crucial issue. Thicker lubricants are higher suited to thicker paints, whereas thinner lubricants are perfect for thinner paints. That is analogous to utilizing a thicker syrup for a thicker cake batter and a thinner syrup for a thinner pudding combine. Mismatched viscosity can result in poor spray patterns and untimely gun put on.
A correct stability is significant for optimum efficiency.
Paint Kind Compatibility
Totally different paints have totally different chemical compositions. Some are extra vulnerable to clogging than others. This necessitates the usage of lubricants which can be suitable with the precise paint sort. As an illustration, acrylic paints typically require a distinct lubricant than enamel paints. Choosing the appropriate lubricant ensures that the paint flows easily by the spray gun with out sticking or clogging.
This ends in a easy and even end.
Effectiveness in Stopping Clogging
Lubricants work by lowering friction between the transferring components of the spray gun and the paint. This discount in friction interprets right into a smoother stream of paint, stopping clogs and making certain constant spray high quality. A high-quality lubricant can stop paint buildup and keep optimum spray patterns. Constant spray patterns imply a constant end.
Beneficial Lubricants by Paint Kind
| Paint Kind | Beneficial Lubricant Kind |
|---|---|
| Acrylic Paints | Low-viscosity, synthetic-based lubricants |
| Enamel Paints | Medium-viscosity, mineral-oil-based lubricants |
| Lacquer Paints | Low-viscosity, solvent-based lubricants |
This desk supplies a normal guideline. All the time confer with the producer’s suggestions for the precise paint and lubricant. Utilizing the suitable lubricant for the precise paint sort ensures one of the best outcomes.
Security Precautions When Dealing with Lubricants
All the time comply with the producer’s security pointers.
Lubricants, even these seemingly innocent, can have various ranges of toxicity and flammability. All the time put on applicable private protecting tools (PPE), together with gloves, eye safety, and a respirator if essential. Correct air flow can also be important. These precautions safeguard your well being and well-being whereas utilizing the lubricants. Following security pointers ensures a protected and productive work surroundings.
Selecting the Proper Lubricant
Selecting the right paint spray gun lubricant is essential for optimum efficiency and longevity. It is like deciding on the appropriate gasoline in your engine – the fallacious selection can result in sputtering, inefficiency, and even injury. This part delves into the important components to contemplate when selecting a lubricant, making certain you get the very best outcomes out of your funding.Spray gun lubrication is not a one-size-fits-all affair.
Totally different weapons have totally different wants, identical to totally different vehicles want various kinds of oil. Understanding these nuances will make it easier to obtain the very best outcomes. We’ll information you thru the method of choosing the perfect lubricant in your particular spray gun and paint sort, from high-performance choices to budget-friendly decisions.
Spray Gun Kind Issues
Totally different spray weapons require totally different lubricant properties. Understanding your particular gun sort is step one. Airless spray weapons, for instance, typically demand specialised lubricants to deal with the excessive pressures and volumes concerned. Think about the design and operational traits of your spray gun to find out essentially the most appropriate lubricant.
Viscosity Choice
Viscosity, basically the lubricant’s thickness, is crucial. A lubricant that is too skinny will not successfully coat the transferring components, resulting in friction and potential injury. Conversely, a lubricant that is too thick can prohibit motion and create drag. The suitable viscosity relies upon closely on the gun’s design and the precise utility. Seek the advice of the producer’s suggestions in your specific spray gun mannequin.
For instance, a high-pressure airless gun may profit from a thicker lubricant, whereas a low-pressure air gun might require a thinner one.
Paint Compatibility
The chosen lubricant should be suitable with the paint varieties you are utilizing. Some solvents can react with sure paints, inflicting them to skinny or discolor. All the time verify the lubricant’s compatibility together with your particular paint formulations. Search for lubricants explicitly designed to be used with numerous paint varieties, together with water-based and solvent-based paints.
Budgetary Issues
Funds performs a task in lubricant choice. Excessive-performance lubricants typically include a premium price ticket. Nevertheless, they typically provide superior safety and efficiency, extending the lifetime of your spray gun. For much less demanding functions, a extra economical choice may suffice. Think about the frequency of use and the potential price of repairs or replacements for those who select a suboptimal lubricant.
Selecting the Greatest Lubricant (Flowchart), Paint spray gun lubricant
| Step | Motion | End result |
|---|---|---|
| 1 | Determine Spray Gun Kind | Decide the precise sort (airless, air, HVLP) |
| 2 | Determine Paint Kind | Decide the paint sort (water-based, solvent-based) |
| 3 | Test Producer Suggestions | Discover viscosity and compatibility pointers |
| 4 | Assess Funds | Determine on value vary |
| 5 | Choose Lubricant | Select lubricant matching all standards |
Correct Lubrication Procedures
Conserving your paint spray gun in tip-top form is essential for constant outcomes and an extended lifespan. Correct lubrication is the key weapon to reaching easy operation and stopping expensive breakdowns. This part particulars the exact steps for sustaining your spray gun’s peak efficiency.Lubrication is extra than simply a good suggestion; it is a necessity for a sprig gun.
Identical to a finely tuned engine, a well-maintained spray gun delivers distinctive outcomes. Ignoring lubrication can result in untimely put on, decreased effectivity, and in the end, expensive repairs. Let’s dive into the specifics of the way to maintain your spray gun operating like a dream.
Lubricating Totally different Spray Gun Parts
Correct lubrication targets particular parts throughout the spray gun, every enjoying a significant function within the general efficiency. The right utility of lubricant to those areas ensures easy operation and prevents friction-induced put on. Specializing in these crucial factors will improve the spray gun’s longevity and keep optimum efficiency.
- Nozzle: Apply a small quantity of lubricant on to the nozzle’s tip. This ensures the paint flows easily, lowering friction and enhancing the spray sample. A easy, constant stream of paint is a testomony to correct nozzle lubrication.
- Pistons and Plungers: Lubricating the pistons and plungers is crucial for easy operation. Apply a skinny movie of lubricant to the seals and transferring components, making certain simple motion and lowering put on. That is crucial to forestall binding, which might severely hinder the gun’s performance.
- Spray Gun Physique: Apply lubricant to the spray gun’s physique, specializing in areas with transferring components and seals. It will cut back friction and guarantee easy operation of the complete spray gun. This proactive step prevents untimely put on and tear.
- Air Valves and Management Mechanisms: Lubricating air valves and management mechanisms is significant for sustaining correct air stream and stress regulation. This ensures easy operation of the spray gun’s controls, which immediately impression the consistency of the spray sample.
Strategies for Including Lubricant
Appropriately including lubricant is essential to reaching optimum efficiency. Keep away from over-lubrication, as extra lubricant can result in clogs and different points. The next strategies will guarantee your lubricant is utilized successfully.
- Utilizing a Lubricant Dispenser: A lubricant dispenser, particularly designed for spray weapons, ensures exact utility of lubricant. The measured quantity of lubricant minimizes waste and ensures correct protection of the parts. This device is good for consistency and effectivity.
- Utilizing a Small Brush or Pipette: A small brush or pipette can be utilized for delicate areas, permitting focused utility of lubricant to particular parts. Rigorously apply a skinny layer to keep away from over-lubrication. Accuracy is essential with these instruments.
Significance of Producer Suggestions
Following producer suggestions is paramount for reaching optimum efficiency and making certain the longevity of your spray gun. Producers present particular pointers on lubrication intervals and sorts of lubricant to make use of. Adhering to those suggestions prevents injury and ensures the best efficiency.
- Seek the advice of the Guide: Check with the spray gun’s handbook for particular lubrication directions and intervals. The handbook incorporates essential info on one of the best method in your specific mannequin.
- Use Producer-Specified Lubricants: Utilizing the really useful lubricant sort ensures compatibility with the spray gun’s parts. It will stop points like corrosion or injury.
Step-by-Step Lubrication Information
This information supplies a scientific method to lubricating totally different components of your spray gun. Following these steps will guarantee you might be sustaining your spray gun successfully.
- Put together the Spray Gun: Disconnect the spray gun from any energy sources and any air or stress traces. This precaution ensures your security throughout the course of.
- Determine Parts: Rigorously establish the totally different parts requiring lubrication. A radical inspection ensures no crucial space is missed.
- Apply Lubricant: Apply a small quantity of lubricant to every element. Make sure the lubricant is distributed evenly however keep away from extreme quantities.
- Clear Up: Clear any extra lubricant from the spray gun and surrounding areas to forestall any build-up or clogs. A clear spray gun is a well-functioning spray gun.
Lubrication Intervals
Sustaining a schedule for lubrication intervals is essential for the long-term well being of your spray gun. This desk Artikels advised intervals for various spray gun fashions.
| Spray Gun Mannequin | Lubrication Interval (Hours of Use) |
|---|---|
| Mannequin A | 50 |
| Mannequin B | 100 |
| Mannequin C | 150 |
Troubleshooting Spray Gun Points Associated to Lubrication
Conserving your paint spray gun pleased and wholesome is essential for constant, high-quality outcomes. A well-lubricated gun is a contented gun, and a contented gun delivers a easy, even spray. However generally, even the best-maintained weapons can expertise hiccups. Let’s dive into diagnosing and resolving lubrication-related issues.Understanding the hyperlink between lubrication and spray gun efficiency is essential.
Correct lubrication ensures easy operation, stopping friction and put on, which immediately impacts the paint atomization course of. A well-lubricated gun interprets to a extra constant spray sample, fewer clogs, and in the end, higher paint utility.
Frequent Spray Gun Points and Their Lubrication-Associated Causes
Lubrication issues can manifest in a number of methods. An absence of correct lubrication can result in quite a lot of points, starting from minor inconsistencies to finish system failure. It is important to diagnose the issue shortly to keep away from additional problems and wasted supplies.
- Clogging: A buildup of dried lubricant, paint particles, or particles may cause blockages throughout the gun’s inner mechanisms. This could manifest as an entire cessation of spray or intermittent spitting and sputtering. Inadequate lubrication can result in paint thickening and elevated possibilities of clogging, because the components work towards one another with out adequate lubrication, creating friction and particles.
- Inconsistent Spray: In case your spray sample is uneven, with areas of thick or skinny paint utility, it might point out a lubrication downside. Inadequate lubrication can result in inconsistent spray because of components not transferring easily. This challenge is commonly accompanied by a change within the paint’s atomization high quality.
- Poor Paint Atomization: A key signal of lubrication issues is poor paint atomization. That is the place the paint will not be correctly damaged down into tiny particles, resulting in a rough spray and uneven protection. Inadequate lubrication can result in inefficient paint atomization, impacting the general end high quality and look of the painted floor.
Diagnosing Lubrication-Associated Spray Gun Issues
Pinpointing the exact reason for the difficulty is essential for efficient decision. A scientific method helps make sure you sort out the issue head-on.
- Visible Inspection: Rigorously look at the spray gun for any seen blockages, particles, or uncommon put on patterns. Look carefully on the nozzle, the spray chamber, and the interior parts for indicators of buildup.
- Lubricant Evaluation: Assess the situation of the lubricant used. If the lubricant is thick, dried, or exhibiting indicators of contamination, it could be the supply of the difficulty. If the lubricant seems irregular, take into account changing it with a contemporary provide.
- Operation Monitoring: Observe the spray gun’s efficiency throughout operation. Word any modifications in spray sample, stress, or sound. A noticeable distinction within the spray gun’s efficiency can typically be linked to a lubrication downside.
Troubleshooting Information: Frequent Issues and Options
A scientific method to troubleshooting is significant for figuring out the basis reason for spray gun points. A well-structured troubleshooting information will make it easier to isolate the issue and shortly discover a resolution.
| Downside | Potential Lubrication-Associated Causes | Options |
|---|---|---|
| Clogging | Inadequate lubrication, dried lubricant, international particles | Clear the gun completely, exchange lubricant, examine for blockages |
| Inconsistent Spray | Inadequate lubrication, uneven lubricant distribution, worn components | Guarantee correct lubricant utility, verify for clogs, take into account re-lubricating or changing worn components |
| Poor Paint Atomization | Inadequate lubrication, incorrect lubricant sort, worn components | Guarantee right lubricant sort, re-lubricate, and examine for put on. Exchange if essential. |
Environmental Issues
Conserving our planet wholesome is a precedence, and that extends to the merchandise we use, together with paint spray gun lubricants. Selecting eco-conscious choices and correct disposal strategies are key to minimizing our impression on the surroundings. Let’s discover the environmental footprint of assorted lubricants and accountable practices for his or her use and administration.
Environmental Affect of Totally different Lubricant Varieties
Totally different lubricant varieties have various levels of environmental impression. Some are derived from petroleum, a non-renewable useful resource, and might contribute to greenhouse gasoline emissions throughout manufacturing. Others make the most of artificial or bio-based parts. The environmental footprint additionally considers the lubricant’s toxicity and biodegradability. For instance, petroleum-based lubricants can persist within the surroundings, probably harming aquatic life.
Bio-based lubricants, then again, typically have a decrease carbon footprint and break down extra readily within the surroundings.
Disposal Procedures for Used Lubricants
Correct disposal of used lubricants is essential to forestall environmental contamination. Used lubricants ought to by no means be poured down drains or into the bottom. Improper disposal can result in soil and water air pollution, impacting ecosystems and human well being. As an alternative, used lubricants ought to be collected and disposed of at designated recycling facilities or assortment amenities. Recycling packages may help reclaim useful parts from used lubricants, lowering the necessity for brand spanking new sources and minimizing environmental impression.
Significance of Utilizing Environmentally Pleasant Lubricants
Environmentally pleasant lubricants are essential for lowering the environmental burden related to spray gun upkeep. These lubricants are sometimes derived from renewable sources, reminiscent of plant-based oils, or make the most of artificial parts that degrade extra readily within the surroundings. Their use minimizes the danger of contamination and promotes sustainable practices. This method additionally reduces the dependence on finite sources and lowers the general carbon footprint.
Correct Dealing with and Storage Procedures for Lubricants
Secure dealing with and storage are important to forestall unintentional spills and leaks, which might result in environmental contamination. Lubricants ought to be saved in correctly sealed containers to forestall leakage or evaporation. Designated storage areas ought to be well-ventilated and away from warmth sources. Spills ought to be cleaned up instantly utilizing applicable absorbent supplies. All the time comply with the producer’s directions for protected dealing with and storage.
Comparability of Environmental Affect of Totally different Lubricant Varieties
| Lubricant Kind | Supply | Biodegradability | Toxicity | Environmental Affect |
|---|---|---|---|---|
| Petroleum-based | Crude oil | Low | Doubtlessly excessive | Excessive |
| Artificial | Chemical synthesis | Variable | Typically low | Medium |
| Bio-based | Plant-derived oils | Excessive | Low | Low |
This desk supplies a normal comparability, and particular impacts can differ based mostly on the formulation and manufacturing processes. Additional analysis into particular lubricant manufacturers can provide extra detailed info. All the time prioritize environmentally accountable decisions.
Lubricant Upkeep and Storage
Conserving your paint spray gun lubricant in tip-top form is essential for constant efficiency and an extended lifespan in your tools. Correct storage and upkeep will not be simply good apply; they’re important for making certain your lubricant maintains its effectiveness and prevents expensive repairs down the road. Think about a well-oiled machine, operating easily and effectively – that is what correct lubricant care can obtain.Sustaining the standard of your lubricant over time is an easy course of.
Understanding the components that may degrade its effectiveness, coupled with one of the best practices for storage, can dramatically impression the efficiency of your spray gun and the standard of your finishes. Let’s delve into the specifics of making certain your lubricant stays a robust ally in your portray endeavors.
Optimizing Storage Situations
Correct storage is paramount for preserving lubricant high quality. Excessive temperatures, each excessive and low, can considerably have an effect on the viscosity and chemical stability of the lubricant. Publicity to direct daylight, moisture, and contaminants additional compromises its effectiveness. A managed surroundings is crucial for sustaining lubricant integrity.
Defending In opposition to Contamination
Lubricants, like valuable jewels, might be simply tarnished by contamination. Mud, dust, and different international particles can shortly degrade its efficiency. Correctly sealing the lubricant container and storing it in a clear, dry location are important steps in stopping contamination. Select a storage space shielded from potential contaminants, like paint chips, particles, and even airborne particles.
Monitoring and Sustaining High quality
Repeatedly checking the lubricant for indicators of degradation is crucial. Search for modifications in coloration, texture, or consistency. Uncommon smells or the presence of sediment may also point out points. A visible inspection ought to turn into a part of your routine. For those who discover any abnormalities, it is best to interchange the lubricant instantly to take care of optimum efficiency.
Figuring out Degradation Components
A number of components can negatively impression lubricant high quality over time. Oxidation, brought on by publicity to air and lightweight, is a standard perpetrator. Temperature fluctuations can alter the viscosity and stability of the lubricant. Contamination from exterior sources can considerably cut back its effectiveness. Understanding these components empowers you to proactively mitigate their impression.
A Sensible Guidelines for Upkeep
Sustaining a well-organized guidelines ensures constant care in your lubricants.
- Visible Inspection: Repeatedly examine the lubricant for modifications in coloration, texture, or consistency. Word any uncommon odors or the presence of sediment.
- Storage Location: Retailer lubricants in a cool, dry, and clear space, away from direct daylight and excessive temperatures. Guarantee correct sealing of containers to forestall contamination.
- Temperature Monitoring: Hold observe of the storage temperature to forestall fluctuations that may have an effect on lubricant viscosity and stability.
- Date Monitoring: Label containers with the date of buy or final use for simple monitoring of the lubricant’s lifespan.
- Documentation: Preserve data of lubricant inspections, replacements, and any noticed points for future reference and to help in troubleshooting.
By adhering to those greatest practices, you will not solely prolong the lifespan of your lubricant but in addition make sure the continued easy operation of your paint spray weapons. Somewhat proactive care goes a great distance in sustaining the standard of your instruments and maximizing your portray outcomes.
