Gantry crane does not hang what things?
Command signal is unknown or chaos command is not hanging;More than the rated weight when not hanging;
Spreaders use unreasonable or objects tied not hanging not hanging;Some people or other floating objects are not hanging;
Brake or other brake safety device failure is not hanging;Driving heavy objects directly when the processing is not hanging;
Crooked pull hanging hanging hanging;With explosive objects do not hang;Buried in the underground objects do not lift;
With corners of the mouth of the object, not good or not hanging;