Where do I need to hit butter from the truck?
The main direction is the ball head, vertical pin, steel plate cover, transmission shaft, cross shaft
Butter is used to lubricate the goods. The truck runs for a long time, and the butter inside it is worn off. New equipment needs to be added to maintain the car. The car is grease lubrication, oil hole now cars do not have buttered all bearings are oily, disposable without refueling, do not own the grease in the ball if you remove after filling will cause oil spills and other consequences of life. Above the coach, the SUV is topped with butter, because it has a chassis and a butter mouth.
The drive shaft, the direction bar, the vertical shaft, the I-beam, the lug, and the grease mouth. Unlike heavy loads, the butter is usually a heavy load.