6 metal scaffolding and shoring, namely, sectional tubular scaffolding, tubular scaffolding systems comprised of vertical posts, truss bearers, horizontal bearers and runners, wheel casters, brackets, tie-off components, namely, tie shield anchors, tie eye bolts and tie tubes, clamps, tie tube nuts and wall brackets, diagonals, planks, toeboards, plank fillers, stair units, stair fillers, access ladders and gates, support components, namely, beams, throat headers, adjustable support brackets, fixed boiler brackets and saddle braces, support frames, hoist arms; tube and clamp tubular scaffolding and construction elements in the nature of shoring; structural parts of metal scaffolding, namely, metal rolling towers; suspended access system for making supports in the nature of ramps and platforms and consisting primarily of structural support devices, namely, steel girders, supports, beams, joists, connecting and support nodes, pins, deck supports, beam clamps, chains, decking, guardrails and toe boards, and parts thereof, for personnel access, event, construction, refurbishing, maintenance and repair purposes; seating system comprised of metal bleachers, grandstands and chair risers