A.Increase the thrust of the propeller
B.Protect the propeller from striking sawyers
C.Prevent the propeller from striking barges towed on the ship
D.Prevent the propeller from touching bottom in low water
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A.cease
B.stop
C.suspend
D.delete
A.Vendor
B.Purchaser
C.Master
D.Shipper
A.With switches
B.With a governor on the engine
C.With fuses or circuit breakers
D.By using heavy wire
A.Loaded displacement minus light displacement
B.Gross tonnage minus net tonnage
C.Loaded displacement minus net tonnage
D.Light displacement minus the weight of the vessel
A.Exemption space
B.Tonnage deck
C.Cofferdam
D.Tonnage opening
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