17 Waterproof membranes made of polymers; plastics fibres for use in the manufacture of packings; extruded plastics [semi-finished products]; plastic substances, semi-processed; parts and fittings for all the aforesaid goods; film (plastic -), not for wrapping; plastic film, not for wrapping; plastic film, other than for wrapping; plastic film other than for wrapping; waterproofing film (plastic -) [other than for wrapping]; polythene films [other than for wrapping or packaging]; flexible plastic films, other than for packaging; waterproofing film (plastic -) [other than for packaging]; polyvinyl chloride film [other than for wrapping or packaging]; plastics in the form of sheets, films, blocks, rods and tubes; polyurethane film, other than for wrapping; polypropylene film, other than for wrapping; blown films [other than for packaging]; plastic films for electronic insulation (term considered too vague by the International Bureau - Rule 13 (2) (b) of the Regulation); plastic films for agricultural purposes; plastic films for electrical insulation; adhesive-coated plastic sheets; plastic film for insulating purposes; plastic film for packing, cushioning or stuffing purposes [other than for wrapping]