Automotive 3D Printing Could Change The Way Carmakers Do Repairs
Automotive 3D printing using a digital inventory model allows parts to be stored in a virtual form until needed.
Sentinel Colorado20 小时
US ambassador says Mexico ‘closed the doors’ on security cooperation and denies its ...
MEXICO CITY | U.S. Ambassador Ken Salazar lashed out Wednesday at Mexico’s failure to accept aid in the fight against drug cartels, claiming the country “closed the doors” on security cooperation.