steel, some round steel bars in the steel bearing outdoor, metal bundled with steel tape, selective focus

abstract bars bearing bearings bent bundled cables closeup coil concrete construction corrosion dip engineering expanded finishing focus galvanized hot industry iron lines material mechanical metal metall metallurgy metalworking mit outdoor raw refined round rundstahl selective selektiver some stahl stahlband stahllager stainless stangen steel steelconcrete strength tape tensile wire