17 Plastics; semi-processed plastic substances; plastic fibres; recycled plastic pellets; plastics in the form of films, foils, sheets, rods, slabs or tubes; plastics materials in the form of mouldings and extrusions; foils, boards, poles and pipes made of plastic; tubes made of plastic; sealing, packaging and insulating materials; plastics in extruded form for use in manufacture, and for use in agriculture and horticulture; plastics mulches for use in agriculture and horticulture; plastics sheeting for industrial, agricultural or civil engineering use; packing, padding and stuffing materials of plastics or rubber; synthetic resins