Whether at the shopping mall or tasked with moving stuff around the office, you've likely had to deal with a cart with a wonky wheel at some point. Help could be on the way in the shape of a flying ...
IAS reports the MACH-1 is used by the Army as a mobile maintenance cart, providing all-terrain transportation for up to 1,400 pounds of personnel, tools, and cargo. The IAS MACH-2 has an upgraded ...