The tractor chair is what
Traction saddle car, butter on the disc surface, in order to reduce the friction and the connection part of the trailer but there is a hole in the middle of the mill, traction pin Trailer card inside, used to connect the trailer in simple terms, is put on the trailer towing pin card into the card slot in the front traction
The total mass indicated on a lorry is the weight of the car's nuclear load plus the weight of the lorry itself
