Burners for lamps; Butane torches for cooking; Camping stoves; Folding portable charcoal, propane and gas fired barbecues, stoves, and grills; Gas burners for industrial, commercial, domestic use; Gas regulators; Gas water heaters; Heating apparatus for solid, liquid or gaseous fuels; Heating systems for residential and commercial buildings comprised of biomass burners, boilers, valves, pipes, manifolds, solar panels, control panels, switches and electrical wire, all sold as a unit; Portable stoves; Pressure regulators for gas pipes and lines; Propane torches for melting ice; Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; Spark igniters for gas appliances; Thermostatic valves as parts of heating installations