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 Designing the Perfect Airport Runway How the Tallest Bridge on Earth Was Built – Documentary Self-Healing Robot Can Adapt To Injury Within Minutes The World’s Longest Underwater Tunnel Blue Origin’s BE-3 engine cleared for flight Hyperloop Explained
