Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.<br>A:be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery<br>B:have a guard over the gearing<br>C:be painted a contrasting color from the base color in order to call attention to the gearing<br>D:not be operated if there is any crew within 10 feet of the machinery

Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.
A:be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery
B:have a guard over the gearing
C:be painted a contrasting color from the base color in order to call attention to the gearing
D:not be operated if there is any crew within 10 feet of the machinery

出自：海船船员证

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