why should you chock (block) the wheels of a tractor - trailer before loading or unloading?\nthe trailer…

why should you chock (block) the wheels of a tractor - trailer before loading or unloading?\nthe trailer could move away from the loading dock.\nthe dock board may not fit between the loading dock and trailer.\nthe wheels do not need to be chocked.\nthe lift truck could go through the floor of the trailer.

why should you chock (block) the wheels of a tractor - trailer before loading or unloading?\nthe trailer could move away from the loading dock.\nthe dock board may not fit between the loading dock and trailer.\nthe wheels do not need to be chocked.\nthe lift truck could go through the floor of the trailer.

Answer

Brief Explanations:

Chocking wheels prevents trailer movement. Without chocks, trailer could roll away during loading/unloading. Dock board fit and lift - truck floor issues are unrelated. Wheels need chocking for safety.

Answer:

The trailer could move away from the loading dock.