| Answer | Crossword Clue |
|---|---|
| boxboard | stiff paperboard |
| boxboards | BOXBOARD, stiff paperboard |
| PLY | Paperboard thickness |
| paperboards | PAPERBOARD, a type of strong thick cardboard; pasteboard |
| linerboard | a thin paperboard used for the flat facings of corrugated containerboard |
| linerboards | LINERBOARD, a thin paperboard used for the flat facings of corrugated containerboard |
