Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Heating elements; Lamps; Lighting apparatus, namely, lighting installations;Pipes being parts of sanitary facilities; Pipes for heating boilers; Refrigerating machines and installations; Refrigerators; Roasting jacks; Solar energy based cooling apparatus; Solar energy receivers; Water purifying apparatus; Water purifying apparatus and machines; Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Coffee roasting ovens; Corn roasters; Cosmetic refrigerators; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Electric lamps; Electric refrigerators;Electrically-heated mugs;Flexible pipes being parts of basin plumbing installations; Flexible pipes being parts of bath plumbing installations; Flexible pipes being parts of shower plumbing installations; Flexible pipes being parts of sink plumbing installations; Flexible heating elements for automobile seats, namely, flexible wire-knitted and woven heating tapes; Gas powered handheld vaporizers for vaporizing vaporizable constituents of herbal and plant matter for creating an aroma for household use; Headlights for vehicles; Heat pipes to cool heat producing components; Heat stress machines having temperature controlled ceramic heating elements for heating tubes, pipes and welds; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; 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; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; 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; Ice-cooling refrigerators; Industrial-water purifying apparatus; LED light assemblies for street lights, signs, commercial lighting, automobiles, buildings, and other architectural uses; Lighting apparatus for vehicles; Lighting installations for vehicles; Lights for vehicles; Mixer faucets for water pipes; Mixer faucets for water pipes; Mixer taps for water pipes; Mixer taps for water pipes;Regulating accessories for gas pipes and lines;Safety accessories for gas pipes, namely, flashback arrestors and reverse flow check valves; Solar collectors; Solar collectors for heating