Inverters; Computer controls for the operation of machine tools; Electric meters; Electrical relays and transformers; Electronic apparatus and instruments for controlling, adjusting and testing of drives and motors; Electronic components in the nature of capacitors, connectors, filters, oscillators, relays, switches, transformers, resistors, semiconductors, integrated circuits, rectifiers, transistors; Electronic interface equipment for machine tools to input or output CNC (computer numerical control) data; Electronic proximity sensors and switches; Electronic servo motor controllers; Flyback transformers; Frequency converters; Industrial automation controls; Laser equipment designed for cutting, drilling, marking, engraving and shaping optical lenses for eyeglasses; Laser equipment designed for engraving and tinting optical lenses for eyeglasses; Lenses for industrial laser cutting machines; Optical lenses featuring anti-fog coatings, UV-blocking treatment, anti-scratch coatings; Optical lenses made of glass, plastic, polycarbonate; Power supplies; Programmable logic controller (PLC); Signal conditioning and communication devices for industrial process control