Labels:text | screenshot | transport | crane OCR: TOWER CRANE - JIB ..... HE TROLLEY CAB COUNTERWEIGHT TOWER SECTION THE TOWER CRANE uses a jib and several sets of pulleys for lifting heavy loads around the large area of a building site. A trolley moves along Building the Crane the jib, carrying the lifting gear. A counterweight balances the weight of the jib and the load, preventing the crane from falling over. The top section SEE ALSO of the crane rotates for moving loads from place to place.
(.png)
