house

technician, engineer

(mythology, Shinto) Kajishin, the Japanese god of the forge, metalcraft, and blacksmithing

science and technology

technical

(computing) information technology (the practice of creating and/or studying computer systems and applications)

work done for free, unpaid work, uncompensated work / work done in vain, work with no favorable end result

to work for free, to work without pay or other compensation / to work in vain, to work with no favorable end result

(archaic, grammar) any word that declines or conjugates / (archaic, grammar) more specifically, a verb

myself, oneself