单项选择题
A.becomes responsible for the safe movement of the rig
B.relieves the Offshore Installation Manager at the moment the rig is free from the bottom
C.must be designated as the person in charge of the rig
D.is a specialist who is hired to provide advice and guidance on aspects of the move
单项选择题 Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the（）.
单项选择题 Before leaving port on an ocean tow，a tug captain should assure himself of all the following EXCEPT（）.
单项选择题 A survey of refrigerated cargo，to certify that proper methods of stowage were utilized，can be conducted by the（）.