In material hoists, included in the operating rules shall be the phrase?

In the context of operating rules for material hoists, the phrase "No riders allowed" is particularly significant because it addresses safety concerns critical to the operation of these machines. Material hoists are designed to transport materials rather than personnel. Allowing riders on these hoists poses a serious risk to both the individuals involved and the integrity of the hoist itself.

The prohibition of riders helps to prevent accidents that could result from overloading the hoist or from the instability caused by moving people rather than just materials. This rule aligns with standard safety practices and regulations governing the use of hoisting equipment, ensuring that operations are conducted safely and within designed parameters.

While other options like maximum usage time, emergency procedures, and daily inspection requirements are important aspects of operating protocols, they do not encapsulate the essential safety directive that is crucial for protecting workers and adhering to operational standards, which is why the focus on riders is paramount.