... handrail, frame for case and bags, antenna, CB antennas, flag pole, oil sucking rods, bolt, stair, ladder, waste treatment equipment ... structure, bus bar supports, tool handles, bike flags, flag poles, floor gratings, lading bars in trucks and railcars ... wind turbine blade5) Pipe: gutters, firewater/ cooling water /gas /drinking water/ waste water pipe6)Building: roofing laminate, flat roof, door ...