| Answer | Crossword Clue |
|---|---|
| priming | A substance that prepares something for use or action, in particular |
| substrates | A substance or layer that underlies something, or on which some process occurs, in particular |
| substrate | A substance or layer that underlies something, or on which some process occurs, in particular |
| propellants | A thing or substance that causes something to move or be driven forward or outward, in particular |
| propellant | A thing or substance that causes something to move or be driven forward or outward, in particular |
| unprimed | Not made ready for use or action, in particular |
