construction of health administrative work force

high-level work

level work area

low-level work

medium level work

optimal output work level

the work force shift

transition of work force in countryside

Two-level work pool

work force

work force diversity

work force planning

work force simulator

Work Level

level force cyclic loading

multi-level force controlled Pushover analysis

LEVEL level

integrated technique of indoor work and field work

integration of Indoor work and field work