One of the mysteries of the English language finally explained.
A trademark for: any of various thermoplastic materials manufactured as sheets, membranes, etc., for wrapping or sealing.
1930s; earliest use found in The Official Gazette. Probably from para- + film, on account of paraffin being one of the constituents of the coating of the film.
In this article we explore how to impress employers with a spot-on CV.