The gaff rig is not as efficient as the Bermuda rig, and the rig is more complicated and requires more crew for sail handling.
斜桁帆不如百慕大帆有效率，这种结构也更加复杂，需要更多水手来操控。
2
The driller is responsible for the efficient operation of the rigsite as well as the safety of the crew and typically has many years of rigsite experience.
司钻负责钻井现场的有效作业和队伍的安全，一般都有多年的钻井现场经验。
3
Keeping equipment in safe and efficient working condition, and maintaining open lines of communication with drivers and crew leaders through regular meetings and informal discussions.