N4 - 工業こうぎょう
the manufacturing industry
N3 - 工場こうば
factory, plant, mill, workshop
N3 - 人工じんこう
artificial, manmade, human work, human skill, artificiality
N2 - 工夫くふう
labourer, worker
N2 - 工員こういん
factory worker
N2 - 工芸こうげい
industrial arts
N2 - 工事こうじ
construction work
N1 - 加工かこう
manufacturing, processing, treatment
N1 - 工作こうさく
work, construction, handicraft, maneuvering
N1 - 細工さいく
work, craftsmanship, tactics, trick
N1 - 着工ちゃっこう
start of (construction) work