Sentence:  ... sequence an angled article support, a wrapping material feed slot, a hot wire cutter and a pedestal comprising the steps of placing an article to be wrapped on the angled support with its two opposite sides extending laterally beyond said support, grasping the comers of the free end of a roll of soft film and pulling the strip of soft film over the article far enough for the free end to <WSD>underwrap</WSD> the article; 
Meaning of the word marked with <WSD> tags:  To underlap.