Ironmongery and small items of metal hardware, namely, pulleys, springs, nuts, washers, thimbles; goods of common metal, namely, beams of metal, bolts of metal, casings of metal; roof drainage devices of metal, in particular of steel, stainless steel, copper, zinc or aluminum, namely gutters, down pipes, downspouts, metallic drain traps, eaves gutters, drainpipes, water collecting basins in the nature of metal in-ground sewage and water run-off basins; accessories for roof drainage devices, namely union clips in the nature of metal pipe clips, elbows of metal for pipes, end-connection pieces in the nature of metal pipe connectors, metal down spouts, brace arms, collection clamps, metal expanding sleeves for affixing screws, metal pipe clips, metal pipes with and without fitted dirt pans and rodding eyes, structural parts of metal gutters in the nature of metal gutter strainers, attachable rainwater pipe heads, metal pipe couplings, metal hanging pipe connectors, metal drain pipes in the nature of metal angle pipes for drainpipes, gutter bends in the nature of elbows of metal for pipes, metal stand pipe covers, metal rainwater valves not being parts of machines and structural parts for the aforesaid goods and devices; all the aforesaid goods of metal, in particular of steel, stainless steel, copper, zinc or aluminum

Roof drainage devices of plastic, namely gutters, downspouts, plastic conduit for drainage, eaves gutters, drainpipes, water-collecting basins in the nature of plastic in-ground sewage and water run-off basins; accessories of plastic for roof drainage devices, namely plastic union clips , plastic elbows, plastic end caps for use on drainpipes lower end , non-metal down spouts, rafter arms in the nature of building materials, namely, plastic pipe supports, non-metal rigid pipes with and without fitted dirt pans and rodding eyes, structural parts of non-metal gutters in the nature of non-metal gutter strainers, attachable rainwater heads for gutters of plastic, couplings of plastic, slip joint connectors of plastic, angled drain pipes made of concrete, earthenware or sandstone, non metal gutter elbows, non-metal stand pipe covers, non metal rainwater pipes and structural parts for the aforesaid goods and devices; mounting guide templates of plastic for mounting drainpipes and drainages

Industrial research in the field of drainage devices; scientific research in the fields of engineering, hydrology, meteorology and physics; product research and development for others