| http://www.w3.org/ns/prov#value | - Surface 83, cradle member 8 k, support member 4 k, and/or base member 2 k may be accompanied (or provided) in armrest 1 k with permanent magnets for promotion of blood flows, a heating means such as a heater or a far-infrared ray emitter for speeding the blood flows, biological sensors such as a pulse meter, a thermometer, and a blood pressure meter for checking the conditions of the user, and a r
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