Crane Note: crane are not allowed to use supercharged. Allowed lifting case: Bundle is not strong; mechanical overload; signal is unknown; the oblique; buried or frozen in the ground thing; somebody was hanging on objects; there is no security measure is flammable, explosive and dangerous goods; too full of liquid items; wire rope does not meet the safety requirements; lifting mechanism is faulty. Crane of structure: crane four categories. Bridge type crane hoisting machinery such as beams and so on. Jib type crane as fixed rotary cranes, tower cranes, truck cranes, tire cranes, crawler cranes. Cable Crane as lifts. Small light lifting equipment such as: Jacks, pneumatic hoists, electric hoists, balancing gourd (aka balance suspended), winches, etc.. Car crane brands