Personnel working aloft (above 2metres) should wear（）or other arresting device at all times.<br>A:a safety harness with lifeline<br>B:a safety net<br>C:a life buoy<br>D:buoyancy agarments

Personnel working aloft (above 2metres) should wear（）or other arresting device at all times.
A:a safety harness with lifeline
B:a safety net
C:a life buoy
D:buoyancy agarments

出自：海船船员证

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