A.foot
B.heel
C.step
D.sole
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A.prevent the boom from being raised too high
B.prevent the boom from swinging
C.support the boom when not in use
D.prevent the boom from being lowered
A.the three month period immediately following the certificate's anniversary date
B.the three month period immediately preceding the certificate's anniversary date
C.three months either way of the certificate's anniversary date
D.the three month period centered on the certificate's anniversary date
A.holding angle
B.fleet angle
C.fluke angle
D.shank angle
A.burial angle
B.penetration angle
C.fluke angle
D.holding angle
A.bower anchors
B.kedge anchors
C.spare anchors
D.stream anchors
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Please arrange（）a surveyor to inspect the damaged bulkhead．
Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.
The document on a vessel，annually endorsed by an American Bureau of Shipping surveyor，is called the（）.
Cracks may be prevented from developing at the corners of welded plating inserts by（）.
Chafing gear（）.
Chain slings are suitable for heavy slender articles，such as（）.
Tensile stress is a result of two forces acting in（）.
In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.
I saw the cargo surveyor（）the cargo on deck just a minute ago．
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are（）.