Portable laser engraving machines; Laser engraving machines for woodworking; Computer-controlled engraving machines; Engraving machines; Carbon dioxide laser tubes being parts of machines; Laser engraving machines; Computer-controlled, power-operated machine tool for abrasive jet cutting and machining; Electric welding machines; Laser welding machines; 3D printers; Ceramic 3D printers; Laser drilling machines for stone working; Industrial machine presses; Printing presses; Silk screen printin...