chemical products for industrial, scientific and photographic purposes; resins, plastics, fertilizers, fire-extinguishers; preservatives for foodstuff; glue for industrial purposes

general purpose greases; absorbents to absorb moisture from gas streams and binders for use in processing substances into solid state; fuels for use in industrial processes, namely, electric power production and coke production

iron, steel, aluminum, copper, zinc and tin; non-electrical metal cables and wires; metal tubes; ores of metals

engines not for land vehicles; clutches for machines

water heaters, gas heaters, boilers for power generation, air dryers, ventilators for gas purification equipment

non-metallic materials for construction of roads, railways and buildings, namely, granules, building blocks and mortars

waste disposal for others, purification of water, gas and air, installation of water coolers, desalinization equipment and ionization equipment, construction planning, installation of security systems

transportation of luggage by conveyor belt, vehicle or train, transportation of electrical energy by cable, transportation of solids by conveyor belt, crane, boat or train, transportation of gases, water and liquids by conduit

engineering, technical consultation in the field of construction, security guard services, monitoring of burglar and security alarms, architectural design, chemist services, physician services, engineering services, chemical, dental, medical and optical laboratories, computer programming for others, data collection and gathering in the field of industrial property, rendering technical advice in the field of installations for ventilating, climate control and waste disposal; preparing expert opinions by engineers and scientists in the fields of electrical engineering, mechanical engineering, civil engineering, construction engineering, iron and steel production, aluminium production, power production, waste handling, waste treatment, purification of the environment, water treatment, gas treatment, air purification, denitricication of gas streams and desulphurization of gas streams