| Rating | Solver | Clue |
|---|---|---|
| TEFLON | Non-stick material | |
| SPIRITUALS | Non material | |
| FELT | Considered non-woven material | |
| CLOTHING | A covering of non-conducting material on the outside of a boiler, or steam chamber, to prevent radiation of heat. | |
| FLUORINE | A non-metallic, gaseous element, strongly acid or negative, or associated with chlorine, bromine, and iodine, in the halogen group of which it ... | |