The Golden Gate Bridge’s ‘Zipper Truck’ In Action
Need a 1,500-pound road barrier moved quickly? Here’s the machine for the job.
January 14, 2015 at 11:24AM
via Digg http://ift.tt/152t5RQ
The Golden Gate Bridge’s ‘Zipper Truck’ In Action
Need a 1,500-pound road barrier moved quickly? Here’s the machine for the job.
January 14, 2015 at 11:24AM
via Digg http://ift.tt/152t5RQ