How can a compressor be lubricated?

A compressor can be lubricated using oil, which is often circulated through the compressor's internal components to reduce friction and wear. This can be achieved through a splash lubrication system, where oil is splashed onto moving parts, or a forced lubrication system, where a pump delivers oil under pressure. Additionally, some compressors use oil-free designs or synthetic lubricants to minimize maintenance and improve efficiency. Regular checks and changes of the lubricant are essential for optimal performance and longevity.