What is prohibited while loaders are in operation?

Passing under the buckets or booms of loaders while they are in operation is prohibited due to significant safety risks. When a loader is in use, especially if it is moving or positioned with a raised bucket or boom, there is a potential for the equipment to unintentionally drop or move. This can lead to severe injury or fatalities if a person is underneath. Heavy machinery operates under the principle that any unexpected movements can have catastrophic consequences, hence it is essential to always maintain a safe distance from all operational parts of the equipment.

While working behind the equipment, stopping to fix machinery, and adjusting the machine controls may also present safety hazards, they are contexts that can, under strict safety protocols and conditions, be mitigated with appropriate precautions and training. However, the act of passing under a load is unequivocally dangerous and has very little margin for safe execution, making it a clear prohibition in safety regulations.