noun
dustproof clothing; cleanroom suit; dust-free workwear
Refers to protective clothing worn in cleanrooms, factories, or labs to prevent dust and particle contamination.
工場では防塵服の着用が義務付けられている。
Wearing dustproof clothing is mandatory in the factory.
クリーンルームに入る前に防塵服に着替えてください。
Please change into a cleanroom suit before entering the cleanroom.
Compound of 防塵 (dustproof) + 服 (clothing).