Systems for distribution of air as part of HVAC systems, comprised of pipes, fittings, ducts, registers and valves; water heaters and water coolers; sewage disposal plants; flushing devices in the nature of toilet flush valves; water closet filling valves being manually operated plumbing valves; irrigating equipment, namely, irrigation sprinklers and irrigation spray nozzles; complete micro-irrigation units for agricultural use, comprising, valves, filters, regulators, pipes, tubing, emitters...

Building materials of plastic, namely, folding doors, plastic plinths; roofing accessories, namely, roof ridges and eaves; non-metallic rigid pipes for building or industry, namely, piping for water distribution, sewage, drainage, irrigation, and rainwater; non-metallic rain gutters and drainage channels; and ventilation devices, namely, non-metal vents for commercial building ventilation

Educational services, namely, conducting conferences and training services in the field of digital data creation and sharing libraries and media content in the field of building architecture, designing engineering solutions in the field of water management systems and installations; Electronic publishing services, namely, information, libraries and media content for building architecture, designing engineering solutions in the field of water management systems and installations; Provision of ...