6 Articles made of metal for technical purposes, namely, sealing rings, gasket rings, c-rings, valve rings, building materials in the nature of shaft extensions, tubes, pipes, pipe fittings, hoses, elbows for pipes, cylinders and tubes, flanges, manually operated metal sealing valves, ball valves and valves of metal not being a part of machines, all for for use in a wide variety of industries, such as the agriculture industry, chemical industry, technical industry, food industry, pharmaceutical industry, biochemical industry, oil and gas industry, mechanical engineering industry, semiconductor industry, ferining industry, offshore industry, metal industry, wood industry, industrial plastics industry, car manufacturing Industry, shipping industry, shipbuilding industry, transport industry, nanotechnology industry, solar industry, processing industry, vacuum processing industry, rubber industry, sealing industry, actuator industry