A. Preventers B. Side ropes C. Stays D. Guide lines
A. at obscured objects B. forward submerged targets C. up exposed targets D. for unseen objects
A. have B. make C. take D. Receive
A. vertical position B. horizontal position C. boom stop angle D. minimum radius angle
A. Night orders B. Standing orders Commands by master D. Requirements by master
A. the master B. the master or officer C. quarter master D. Helmsman
A. is lighter than chain B. has a good working life C. is not affected by temperature D. All of the above
A. were extended B. extending C. has extended D. have extended
A. fumigation B. discharging Compensation D. displacement
A. interval B. mixed C. diurnal D. Semidiurnal
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