Flashlights; Flat panel lighting apparatus in the nature of LED electric light boxes for tracing designs and patterns on paper; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; Industrial apparatus using air for drying and cleaning components in the electronics, semiconductor, circuit board, pharmaceutical, medical, and food and beverage industries; Infrared i...