3D printers; Cutting machines; Electric soldering apparatus; Electric soldering irons; Hot melt glue guns; Knives, electric; Polishing machines for use in grinding and polishing metal, wood, ceramics and plastics; Power-operated blowers; Power-operated screwdrivers; Soldering apparatus, electric; Wood drilling machines; Engraving machines; Milling cutters being machine tools; Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the sem...