6
Building materials of metal, in particular welded wire mesh, reinforcing steel and other reinforcing elements of metal, sheet metal, pipes, parts of pipes, wall dowels, formed parts of metal, machined or processed by hand, aluminium goods for structural engineering purposes, pallet yokes, fixing anchors and dowels, mesh of metal; transportable buildings of metal
7
Machines and machine installations for the manufacture of building materials, including porous artificial stone and building elements of foamed concrete, breeze concrete and porous concrete, namely apparatus for treating and mixing raw materials, cutters [machines] with cutting wire, swinging cranes, autoclaves, cutting-off machines, unloading devices and replacement parts and fittings therefor; machines for the manufacture of building elements, including machines for the stretching, cutting and soldering of steel wires, anti-corrosion devices, fastening apparatus, dry-cutting machines and replacement parts and fitting therefor
19
Building materials (non metallic); artificial stone, in particular porous artificial stone; foamed concrete, breeze concrete, porous concrete, concrete, hollow concrete blocks; moveable houses and building elements, in particular of foamed concrete, breeze concrete and porous concrete, not of metal; chimneys and parts thereof (not of metal); mortar