| Answer | Crossword Clue |
|---|---|
| SLDS | Fusing materials: Abbr. |
| smalts | coloring agent made of blue glass produced by fusing silica, potassium carbonate, and cobalt oxide, used in powdered form to add color to vitreous materials |
| smalt | coloring agent made of blue glass produced by fusing silica, potassium carbonate, and cobalt oxide, used in powdered form to add color to vitreous materials |
| VELS | Bookbinding materials: Abbr. |
