单项选择题
A.noting the condition of the fairwater
B.inspection of the keyway
C.logging inspection results in the official deck log
D.all of above
单项选择题 When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?()
单项选择题 Which of the listed types of files is the best for producing a fine finish on metal?()
单项选择题 The tool used in precision work to smooth or enlarge a slightly undersized hole, is called()