Combined from Craft / Work [工] to compose 工: represents "construction".
manufacturing, processing, treatment
to construct
to process, to manufacture
engineering
work, construction, handicraft, maneuvering
work, craftsmanship, tactics, trick
start of (construction) work
labourer, worker
factory worker
industrial arts
construction work
carpenter
factory, plant, mill, workshop
artificial, manmade, human work, human skill, artificiality
the manufacturing industry
factory