How to check whether the safety protection device is complete? How to test it again?

Check whether the safety protection devices and safety warning signs are complete

① Check the starting shaft head of the engine. The end of the shaft head shall not protrude from the outer surface of the engine case. In order to prevent danger when people approach during engine operation.

② Pulley and belt should be protected. In order to prevent danger when people approach during engine operation.

③ There should be a protective cover on the exhaust pipe. In order to prevent the operator from being scalded when touching accidentally.

④ The steps and pedals of the car shall be provided with anti-skid mesh and raised edge or rib. In order to prevent the driver's foot from slipping when getting on and off the bus, causing falling and bumping.