7 Laser-based welding and soldering equipment and apparatus, namely, laser welding machines [ and electric powered soldering irons ]; Laser-welding apparatus being laser welders and machines; Laser-beam processing apparatus being laser optical components for surface hardening, coating, sintering, cutting, engraving, welding, soldering, microsoldering, printing, scribing, and heat treatment of workpieces and installations in the nature of laser processing units sold as a unit therewith as apparatus for laser welding, hardening, coating, laser sintering, cutting, engraving, welding, soldering, microsoldering, printing, scribing and heat treatment; Machines and electronically-controllable mechanically operated apparatus being printed circuit board milling machines for processing electric circuit carriers, namely, stencils and masks; Mechanical and laser milling-drilling machines and electronically-controllable milling-drilling equipment for use in manufacturing electric circuit boards; Machines and mechanically operated apparatus being solder tools in the nature of electric soldering apparatus; Machines and electronically-controllable mechanically operated apparatus being assembly and soldering systems comprised of machines for laser engraving, welding, hardening, coating, laser sintering, cutting, engraving, soldering, microsoldering, printing, scribing for making electric contact with circuit carriers and components; Machines and electronically-controllable mechanically operated apparatus being printed circuit board laser etching systems comprised of laser engraving and welding machines and printed circuit board milling machines for laser or mechanical processing of various substrates and substrate materials and electronic circuit boards; Machines and mechanical equipment being micro-material processors for micro processing; Mechanical tools being machine tools for the aforesaid machines and equipment; Parts for the aforesaid apparatus and equipment, sold as a unit therewith; Laser-beam plastic welding apparatus being laser welders and installations in the nature of laser welding systems comprised of laser engraving and welding machines; Laser-beam micro-welding apparatus being laser welders and installations in the nature of laser welding systems comprised of laser engraving and welding machines