Product Manufacturing and Processing Workers (Excluding Metal and Food Products) X Keywords: Aging

2 matching jobs found.

Persimmon Tannin Manufacturing Worker

Traditional manufacturing occupation that uses astringent persimmons as raw material to ferment and age them into persimmon tannin, which is then processed as a natural paint or preservative and waterproofing agent.

Aging Worker (Chemical Fiber Manufacturing)

Manufacturing operator responsible for the aging (heat treatment) and finishing processes of chemical fibers, improving product characteristics.