Aging × Classification Details: Product Manufacturing and Processing Workers (Excluding Metal and Food Products)
2 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.