A crane for lifting heavy loads was developed by the Ancient Greeks in the late 6th century BC. The archaeological record shows that no later than c. 515 BC
blocking accidents. Mobile crane operators must always know the positions of all hook blocks when operating without a load. • Wire Rope Damage (25 Total).
Advertising a crane's SWL in big letters can be helpful, but is ineffective when it comes to countering human error. For that reason cranes are also fitted with