A professional who removes watch parts from metal polishing blocks, utilizing one of following methods. Responsibilities include:

• (1) Heats block on hot plate to melt shellac, and pushes parts off block, using spatula, or holds block upside down and blows parts off block, using compressed airhose.
• (2) Heats and places block upside down on bed of handpress.
• Lowers ram to force parts out.
• (3) Places blocks in caustic solution to dissolve shellac and loosen parts.