Industry is deepened in development tendency highly by industrial worker's labor power psychological discords killed technical hands etc. by hydraulic machinery equipment technique on modern industrial society. Specially, hard labor power machine.

Worker's work through utensil is smooth and is spread to direction that whole nation uses without man and woman old and the young division in young manpower and paraprofessional employees making quick business progress and safety enlarge labor power value of putting first, and is sure that government is also solidifying aggregate power in hydraulic machinery industry development actively,is industry shipbuilding industry (vessel) of various form,

construction (bridge building), machine industry aircraft industry synthesis industrialization trend with excavating work, and the world revives in export expectation in progressive growth of newly rising nation's leaders and. Specially, shipbuilding aviation, heavy industry, construction (engineering works) are taking global village age that wall between international does not exist.