Sentence:  Cages are constructed of pressure-treated lumber, vinyl-coated chain link or welded wire, and <WSD>coroplast</WSD>, plus corrugated fiberglass over the <WSD>coroplast</WSD> on the roofs. <WSD>Coroplast</WSD> is a plastic material similar in structure to corrugated cardboard and ... 
Meaning of the word marked with <WSD> tags:  Corrugated plastic material manufactured by the (Coroplast) company.