1. The loading and unloading of the machinery that can load and unload the trailer by itself shall be operated by the captain or skilled control personnel, and shall be under the unified command of a specially assigned person. The commander should understand the functions and characteristics of the trailer and loading machinery. The trailer should lower when turning. When loading and unloading vehicles in rain, snow and frost climate, anti-skid measures should be taken. When going up or down the ramp, you should shift to the low gear early, instead of shifting halfway and emergency braking.
2. After the mechanical loading, all brakes should be braked, all safety equipment should be locked, and the track or wheel should be wedged tightly and bound firmly. When loading bulldozer, when the blade exceeds the width of trailer, the blade should be removed. When transporting out of gauge objects, they must go through the formalities with the traffic management department and follow the regular road within the regular time.
