A.extending out from a bluff alongside the river
B.that tends to give a false indication of its position
C.that has a sharp drop off into deep water
D.that is perpendicular to the current
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A.blocks have been overhauled
B.hauling parts of two tackles are attached
C.hauling part leads through the movable block
D.hauling part leads through the standing block
A.one
B.two
C.three
D.four
A.emergency gear
B.drainage
C.deck cargo storage
D.securing gear
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One function of a bulwark is to（）.
The purpose of cant frames in steel vessels is（）.
Holes in the bulwark，which allow deck water to drain into the sea，are（）.
Freeboard is measured from the upper edge of the（）.
In vessel construction，the garboard strake is（）.
Grinding to eliminate shallow surface defects should be done（）.
In vessel construction，a greater number of watertight bulkheads results in（）.
The athwartship hull structural members of a ship are（）.
Bilge keels are fitted on ships to（）.
Owing to the greater girth of a ship amidships than at the ends，certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called（）.