Plastics sheets for use in transfer printing; Printable plastic sheets; Sheets of printable coated polyethylene; Sheets of printable polypropylene; Sheets of printable synthetic material; Plastic sheets for use in the manufacture of signs; Foam for use in manufacture; Foam in the form of sheets for use in manufacture; Foamed plastics in extruded form for use in manufacture; Foamed plastics materials in the form of sheets for use in manufacture; Foamed plastics panels for use in manufacture; Plastic foam materials for use in manufacture; Rigid foam materials for use in manufacture; Rigid polyvinyl chloride foamed sheets (semi-finished products); Rigid polyvinyl chloride foamed sheets for use in manufacture