Definition of Welfare — “Welfare” and “Welfare Work” — Welfare Under Traditional Management — Welfare Work Under Traditional Management — Welfare Under Transitory Management — Welfare Work Under Transitory Management — Welfare Under Scientific Management — Physical Improvement — Mental Development — Moral Development — Interrelation of Physical, Mental and Moral Development — Welfare Work Under Scientific Management — Summary: (a) Result of Welfare to the Work; (b) Result of Welfare to the Worker.