BBRV

Post-tensioning elements, namely, metal cable wires, steel strands and steel bars; steel ducts for housing of post-tensioning elements for use in pretensioned and post-tensioned concrete; metal post-tensioning cables for prestressed concrete constructions of all types as listed below, including suspended bridges and roofs; metal wedges; steel ground anchors and stay cable anchors for use in concrete and prestressed concrete; steel couplers; steel protection caps for covering the ends of the cables in post-tensioning anchorages; steel damping devices in the nature of square dampers for stay cables to reduce cable vibration in prestressed and post-tensioned concrete construction; cable clamps of metal, cable junction of metal, metal non-electrical cable sheaths and cable ducts used in building construction; metal construction elements, namely, fabricated metal components for building foundations; metal prestressing construction elements used in post-tensioned buildings or constructions, namely, pipes, railway sleepers, posts, piers, columns, supports, beams, yokes; metal prestressing construction elements, namely, cantilever beams, bridge girders and bridge decks, flat slabs, ground slabs, retaining walls, shores and braces, all for prestressed concrete constructions of all types

Machines for manufacturing of post-tensioning elements, namely, metal cable wires, steel strands, steel bars, steel ducts and metal post-tensioning cables; machines for cutting and hydraulic pressing; machines for coiling of prestressing elements; hydraulic stressing jacks of steel; bending machines; boring machines; drilling machines; grinding machines

Carbon fiber construction elements, namely, stay cables; plastic ducts for housing post-tensioning cables for use in pretensioned and post-tensioned concrete construction; plastic protection caps for covering the ends of the cables in post-tensioning anchorages used in building construction; plastic cable sheaths for non-electric structural cables used in building construction; nonmetal construction elements for building or construction purposes, namely, concrete liquid holding tanks, roof panels, rigid pipes, railway sleepers, posts, piers, columns, supports, beams, yokes, cantilever beams, bridge girders and bridge decks, flat slabs of concrete, ground slabs of concrete, retaining walls of concrete, shores and braces, all for prestressed constructions of all types