求翻译：作业人员必须经过专业培训，考试合格，持证上岗。起重作业人员必须严格遵守《起重机械安全规程》，严格执行起重“十不吊”制度，听从指挥。是什么意思？

Trained operating personnel must pass the examination, certificates. Crane operators must strictly abide by "crane safety regulations" strictly enforce lifting "Ten is not hanging" system, obey the command.

operating personnel must be trained and certified, passes the test laid-off. Crane Operations staff must be in strict conformity with the crane in the strict implementation of Security Protocols with crane cable system" not "10 and commands.

The operating personnel must pass through specialized training, the test is qualified, holds the card mount guard.Lifts heavy objects the operating personnel to have to observe "Hoisting machinery Safety regulation" strictly, the strict execution lifts heavy objects “ten does not hang” the system, o

Workers must be trained and pass an examination, a holder. Crane operators must be in strict compliance with the safety regulations for cranes, strict implementation of lifting "ten do not hang" system and commands.

Workers must be trained and pass an examination, a holder. Crane operators must be in strict compliance with the safety regulations for cranes, strict implementation of lifting "ten do not hang" system and commands.