Plastic materials in the form of panels, being semi-processed plastics in the form of panels; mouldable semi-processed synthetic resins; polyethylene resin being semi-processed synthetic resins; semi-worked synthetic resins as semi-finished products in the form of fibres, namely, polymer resin fibres, other than for use in textiles; semi-worked polymer resins as semi-finished products in the form of plates; semi-worked polymer resins as semi-finished products in the form of bands; synthetic r...