(1) Hoisting machinery safety performance is good, no fault or hidden trouble.
(2) The hanger is securely strapped and not overloaded.
(3) Hanging objects are strictly prohibited from the top of the head through, hanging objects and lifting arms are prohibited from standing.
(4) Strictly follow the command signal operation.
(5) A ringing or warning must be rung before driving;
(6) No illegal operation.