Complex sentence: Self-adhesive plastic sheet, known in the United Kingdom as sticky back plastic, is wide plastic sheet or film with an adhesive layer on one side, used as a surface costing for for decorative purposes.
Split into simpler sentences: Self-adhesive plastic sheet, known in the United Kingdom as sticky back plastic, is wide plastic sheet or film with an adhesive layer on one side. It is used as a surface costing for for decorative purposes.