| Answer | Crossword Clue |
|---|---|
| darkrooms | DARKROOM, a room in which films are processed |
| darkroom | a room in which films are processed |
| safelight | a light used in a photographic darkroom etc., which emits light of an intensity and colour which will not damage the materials being processed |
| safelights | SAFELIGHT, a light used in a photographic darkroom etc., which emits light of an intensity and colour which will not damage the materials being processed |
| polycarbonate | A synthetic resin in which the polymer units are linked through carbonate groups, including many molding materials and films |
| polycarbonates | A synthetic resin in which the polymer units are linked through carbonate groups, including many molding materials and films |
