Cranes are necessary for many construction projects, particularly large, multi-story commercial, residential, or office space buildings, which continue to increase in metropolitan areas around the U.S. ![]() cities in July 2017 – a figure that is only increasing, as the Dodge Momentum Index leaped 14% in November, the second straight month of healthy gains coming from the commercial and institutional sectors.Ĭranes are used to lift and lower materials and to move them horizontally, and they are generally equipped with a hoist rope, wire ropes or chains, and sheaves. ![]() There were roughly 400 cranes across 14 major U.S. ![]() As construction activity hits pre-recession levels, construction cranes increasingly dot city skylines and neighborhoods nationwide.
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