Only authorized and competent person should operated cranes
The correct sling must be used for the load to be lifts
Lifting equipment must be certified from competent authority and mark with its SWL
Never be used for loads excess of its SWL
Cables and slings must be padded when passing over sharp edges of equipments
Check the condition of the ground before parking the crane and use out riggers
All moving parts must be guarded
Uncertified chains, ropes, slings and hooks should not be use
All slings to be inspected by third party inspectors
Never stand or work under a suspended load
Place the out riggers on firms ground
Guide ropes shall be used to control swing of lifted material
Never operate the crane at the time of speed wing
Lifting over live equipment should not be encouraged
The crane should under go periodical maintenance as per manufactures   _{Your Comment}