Automated machine arm bracket, wall-mounted keyboard and screen stand, mobile computer keyboard and screen desk stand, computer cart, medical cart, workstation, LCD multi-screen stand, clamp tube screen support frame, mobile LCD TV screen stand, Video conference TV stand, mobile touch TV stand, fixed navigation LCD TV stand, desktop computer keyboard screen stand, IPad tablet stand, cantilever LCD TV wall mount, sky hanging LCD TV hanger, Mobile TV wall, large cantilever arm stand, CPU main frame, floor-standing projection rack, wall-mounted speaker stand, speaker stand, speaker tripod