You're supposed to stop for a school bus which is loading or unloading children, unless the bus is on the opposite side of a divided highway (and even some states require you to stop for that).
The first step for loading and unloading a firearm is to point the gun in a safe direction.
Loading and Unloading the Chutes at Willow Grove - 1903 was released on: USA: January 1903
If your unloading an aircraft, you need to be as close as possible.
whats the safest method when unloading in rainey weather
they required less loading and unloading