round steel in rings in the material bearing, single ring with crosswise binding wire, symmetrical

abstract aluminum bearing bending bindedraht binding closeup concrete construction crosswise dip einzelner galvanized hot industry iron material materiallager metal metallurgy metalworking mit monotonous prestressed querverlaufendem raw refined reinforced reinforcement ring ringen rings rod roll round rundstahl rustless single steel strength structure symetrisch symmetrical tensile wire wrestling