2021년06월05일 74번
[영 어] 다음 중 하역작업자가 준수하여야 하는 일반적인 안전규칙으로 옳은 것은?
- ① When steadying or landing a sling load, employees shall stand in the load's line of travel or between the load and any nearby fixed object, and shall always face the load.
- ② The use of portable radios, or other portable electronic entertainment devices, is allowed on the job.
- ③ A chain shall be shortened by bolting, wiring or knotting.
- ④ When using a bull line to move cargo, the longshoreman shall stand out of the bight, and clear of the throw of the lead and hook.
(정답률: 알수없음)