Job Description:

• 1) Performs any combination of following tasks to prepare polysilicon for crystal growing process: Operates drilling machine to remove core sample from polysilicon rod for evaluation.

• 2) Breaks polysilicon rod into chunks, using hammer.

• 3) Removes tungsten filament from chunks, using circular saw or drill.

• 4) Immerses polysilicon chunks into series of vats containing chemical solutions to remove contaminants, using steel basket and hoist.

• 5) Breaks chunks of polysilicon into pieces, using hammer, to prepare polysilicon for meltdown in crystal growing process.

• 6) Records production information.