Open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead. Synonyms: ambiguous; equivocal. Context examples:
The translucent nature of polyethylene prohibits a the greater amount of light than the transparent polypropylene. Light can be particularly harmful to collectibles, especially magazines, comics, books, photographs, artwork or any kind of cover or jacket that has color and/or photos or illustrations.
The previous three plastic pipe variants are all rigid whereas PB (polybutylene) and PE (polyethylene) are flexible; the former being rigid and used for the same purposes as CPVC and the latter being low cost. Both of these types are not joined with solvents but are instead formed with mechanical and clamped couplings.