交代操業

こうたいそうぎょう

noun

•

working in shifts

交	mingle, mixing, association, coming & going
代	substitute, change, convert, replace, period, age, counter for decades of ages, eras, etc., generation, charge, rate, fee
操	maneuver, manipulate, operate, steer, chastity, virginity, fidelity
業	business, vocation, arts, performance