3D printers; 3D printing pens; Dynamos; Automatic stamping machines; Belt conveyors; Casting machines; Elevating work platforms; Engraving machines; Household cleaning robots with artificial intelligence; Industrial robots; Loading and unloading machines; Machine tools, namely, powered machines for cutting or shaping or finishing metals or other materials; Manipulators for forging presses and for forging machines; Metalworking machines, namely, machining centers; Pumps as parts of machines, motors and engines; Robotic exoskeleton suits being machines, other than for medical purposes; Saw machines; Spray guns for painting; Transmissions for machines; Welding machines, electric; Wrapping machines