The Traffic Barrier-Transfer Machine Caltrans is studying the durability and performance of its Barrier-Transfer Machines, also known as “zippers.” Facebook Prev Article Next Article Engineering Checkout these cool gadgets... Related Posts The Sabre Engine – Set To Transform Aviation – 30 000 km/h World’s largest man-made waterfall Watching what happens inside of next-generation batteries, causing fires 1773 Mechanical Devices Were Amazing The World’s Longest Underwater Tunnel The Truth About Pumped Hydro
