A.approves
B.alleges
C.allows
D.permits
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A.foot
B.heel
C.step
D.sole
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
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During fueling，all doors，hatches，and ports（）.
In order to withstand fluid head pressure on a ship，stiffeners are often attached to the bulkhead（）.
The anchors on the bow are known as（）.
Hatch No.1 must be cleaned up to meet the（）of the cargo surveyors．
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.
The burden of proving unseaworthiness is upon those who（）it.
Periodic surveys to renew the load line assignment for a ship must be made at intervals not exceeding（）.
Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.
In which case is the IOPP Certificate of an inspected vessel NOT invalidated?（）
Tensile stress is a result of two forces acting in（）.