123. Which is TRUE of the mechanical gearing of deck machinery such as the windlass or towing engines?

They should be painted a contrasting color from the base color in order to call attention to the gearing
They should have a guard over the gearing
They should be open to view so, if a foreign object gets in the gearing, the operator can immediately stop the machinery
They should not be operated if there is any crew within 10 feet of the machinery

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