单项选择题
A.the survival craft launching equipment have never been used
B.the pivot points are seized
C.the lashing or stowing of deck cargo is improper
D.All of the above signs are evident
单项选择题 During inspection of oil and oily mixtures from machinery spaces, which of the following factors should be taken into account by the PSCO? （）
单项选择题 If the PSCO has clear grounds for carrying out a more detailed inspection, （）should be immediately informed of these grounds.
单项选择题 International Management Code for the safety operation of ships and for pollution prevention is simplified as （）