The sailors do cleaning and repair work ()the bosun.
The sailors should show the relevant ()by day.
Sailors have to spend most of their time in ()(除锈) and painting.
Duty sailors will consider the conditions of (装卸货)().
Sailors should know the ()(安全工作负荷量)of derricks.
It’s important for duty sailors to pay attention to the ()of the tide and looking around the ship.
The maintenance work for sailors includes cleaning , repairing, and ()(涂漆) work on board a ship.
Sailors must keep lookout in poor visibility.()
The sailors at the stern are making preparations for().
The sailors do cleaning and repair work under the supervision of the ().