| Answer | Crossword Clue |
|---|---|
| ferromagnet | a type of strong magnet |
| ferromagnets | FERROMAGNET, a type of strong magnet |
| durant | a type of strong cloth |
| durants | DURANT, a type of strong cloth |
| paperboard | a type of strong thick cardboard; pasteboard |
| paperboards | PAPERBOARD, a type of strong thick cardboard; pasteboard |
| plywood | A type of strong thin wooden board consisting of two or more layers glued and pressed together with the direction of the grain alternating, and usually sold in sheets of four by eight feet |
