very light workload: 
        	consumes 0.6 (Kcal/kg/hr)
        	sitting during most of daytime.
        	slow working or stading about two hours.

light workload:
	consumes 0.8 (Kcal/kg/hr)
	typing, teaching, and clerking etc.
    	walking but without severe exercise.

middle workload:
	consumes 1.1 (Kcal/kg/hr)
	housework, gardening, carpentering and walking etc.

heavy workload:
	consumes 1.7 (Kcal/kg/hr)
	outdoor working and continuing working. 
	lumbering, water skiing, and dancing etc.

very heavy workload:
	consumes 2.4 (Kcal/kg/hr)
	heavy working, lumbering, tennis, swim, basketball etc.
	

        