Discovery / Science Channels How Its Made Tower Cranes. Season 14 Episode 06.<br />San Marco Tower crane assembly with overview of how climbing system works. Follow the link below to find San Marco tower cranes for sale: .<br /><br />By this video, you will know how a tower crane be installed, what a tower crane be made up. More information can be got by browsing this page: .<br />The four-day erection phrase comes from the cranes owner. Its industry jargon. In the video you can watch a giant telescopic crane, together with the iron .
