| Answer | Crossword Clue |
|---|---|
| torpedos | A firework exploding on impact with a hard surface |
| torpedoes | A firework exploding on impact with a hard surface |
| blackboard | a hard smooth usually dark surface used esp in a classroom for writing or drawing on with chalk |
| blackboards | BLACKBOARD, a hard smooth usually dark surface used esp in a classroom for writing or drawing on with chalk |
| plaster | A soft mixture of lime with sand or cement and water for spreading on walls, ceilings, or other structures to form a smooth hard surface when dried |
| plasters | A soft mixture of lime with sand or cement and water for spreading on walls, ceilings, or other structures to form a smooth hard surface when dried |
