6
steel tubes; greenhouses of metal, transportable; frames of metal for building; pillars of metal for building; building materials of metal; greenhouse frames of metal; framework of metal for building; refractory construction materials of metal; roofing of metal, incorporating photovoltaic cells; crampons of metal [cramps]; buildings, transportable, of metal; swimming pools [structures] of metal; cabanas of metal; binding thread of metal for agricultural purposes; metal cages for wild animals; tree protectors of metal; wire gauze; wind vanes of metal; works of art of common metal
7
agricultural machines; agricultural implements, other than hand-operated; harvesting machines; spraying machines; weeding machines; sowers [machines]; machines for processing plastics; glass-working machines; cutters [machines]; rolling mills; hand-held tools, other than hand-operated; lawnmowers [machines]; machines and apparatus for cleaning, electric; snow ploughs; brewing machines; coffee grinders, other than hand-operated; drainage machines; grain separators; stalk separators [machines]; garbage disposals
17
synthetic rubber; junctions, not of metal, for pipes; plastic substances, semi-processed; plastic sheeting for agricultural purposes; filtering materials of semi-processed foams of plastic; watering hose; flexible hoses, not of metal; insulating materials; asbestos safety curtains; waterproof packings; asbestos fabrics; artificial resins, semi-processed; plastic film, other than for wrapping; connecting hose for vehicle radiators; substances for insulating buildings against moisture; soundproofing materials; metal foil for insulation; insulators for railway tracks; insulators for electric mains; non-conducting materials for retaining heat