06
Building materials of metal, namely steel reinforcements,
consoles for insulating slabs, connection fittings for
stairs, formwork elements, formwork and permanent forms,
expansion joint elements, prefabricated reinforcements,
reinforcement mesh, and other prefabricated reinforcement
elements, drawbars, compression bars and other elements
under traction or compression for connecting two concrete
elements, punching shear reinforcements
19
Non-metallic building materials and reinforcements, namely
reinforcement connectors, consoles for insulating slabs,
connection fittings for stairs, formwork elements, forms and
permanent forms, expansion joint elements, prefabricated
reinforcements, reinforcement mesh, and other prefabricated
reinforcement elements, drawbars, compression bars and other
elements under traction or compression for connecting two
concrete elements, punching shear reinforcements
42
Engineering work, namely: production of planning charts,
tables and lists for the preparation of planning work for
engineers of constructing connectors for reinforcements,
consoles for insulating slabs, connecting elements for
stairs, formwork elements, formwork and permanent forms,
elements for expansion joints, prefabricated reinforcements,
reinforcement mesh, other prefabricated reinforcement
elements, drawbars, compression bars and other traction or
compression elements for connecting two concrete elements,
punching shear reinforcements