{HEAD ~ The ultimate effect} is to decrease interface pressure and shear force by infinitesimal fluid sonic stimulation of the skin, blood medium/small vessels and capillaries and muscle tissues via: oscillating “fluid sound wave” and pressure reduction afforded by {TAIL ~ the visco elastic material} 
{ HEAD ~ The ultimate effect } is to decrease interface pressure and shear force by infinitesimal fluid sonic stimulation of the skin , blood medium / small vessels and capillaries and muscle tissues via : oscillating “ fluid sound wave ” and pressure reduction afforded by { TAIL ~ the visco elastic material }
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