industrial construction site with mega crane and reinforced steel concrete walls closeup

activity all architect architecture base beam building built capacity carriage collar concrete construction crane developing development estate flare force frame framework ground group height hook hydraulic industry jib laborer lifter lifting load loader machine machinery manual mega megacrane men mobile mover occupation outreach outrigger overhang pneumatic powerful profession rack radius reinforced rod scoop silhouettes site sky steel structure sun swinging teamwork telescopic terrain truck underframe vehicle walls wheeled wire work worker workforce