Make sure automated machinery is programmed and running properly.
Tends electric oven that fuses enamel onto metal jewelry parts: Sets controls to heat oven to specified temperature. Places tray or rack containing jewelry parts, on which liquid or powder enamel has been applied, in oven. Removes tray or rack from oven after prescribed period, using tongs, and allows enameled parts to cool. May determine when settings are sufficiently heated by observing color of enamel. May anneal jewelry parts by heating them in oven to soften metal preparatory to forming and shaping them.