How are lubricating points lubricated on motor vehicles and trailers?

Your answer is correct. Lubricating points on motor vehicles and trailers are maintained either through a central lubricating system, which uses a reservoir to distribute lubricant automatically, or through manual lubrication, where a grease gun is applied directly to the specific points. Regular checking of engine oil is important for engine lubrication, but it does not cover the specific grease points elsewhere on the vehicle. Remember: both central systems and manual greasing are used for lubricating points, not the engine oil level check. This will help you identify proper maintenance procedures for various vehicle components.