noun
lumbering industry; sawmilling industry
Refers to the industry of sawing logs into lumber; a specific sector within forestry and wood processing.
彼は製材業で成功した。
He succeeded in the lumbering industry.
この地域の製材業は衰退している。
The lumbering industry in this region is declining.
製材所 is a sawmill (the facility), whereas 製材業 is the industry as a whole.
Compound of 製材 (lumber manufacturing) and 業 (industry).