... umbrella shaft, umbrella rod, curtain rod, fence post, handrail, frame for case and bags, flag pole, sucker rods, ladder, ... structures, scaffold, portable work platforms, luggage rack, window/door frame, sign post, bridge structure, bus bar supports, tool handles, ... : gas pipe, water pipe, gutters6) Building: roofing laminate, flat roof, door surrounds, over-door canopies, window canopies and dormers ...