| Answer | Crossword Clue |
|---|---|
| SOLDER | Agent for fusing metal |
| 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 |
| SOLDER | Metal-fusing alloy |
| REWELD | Fix by fusing, as metal |
| treats | act upon with some agent especially to improve or alter treat a metal with acid |
