Girder cranes editing rules

industrial overhead cranes must be done by specially trained and approved by the competent authorities of the person to operate.
Crane operators must be familiar with the mechanical and safety performance of their own operations crane, crane familiar with and strictly implement the rules and safety regulations, master lifting skills, attention must be focused operation, obey orders, exercise caution.
When the operator operates the crane, you must obey the command of the command staff, and for the emergency stop signal, no matter who issued should be implemented immediately.
Before each use of a single girder bridge cranes, the crane operator must first check the brake, hook, wire ......