{HEAD ~ The dual valves} can be used, for example, in {TAIL ~ personal care products} such as toothbrushes and razors to dispense fluids such as dentifrice and shaving aids 
used in
{ HEAD ~ The dual valves } can be used , for example , in { TAIL ~ personal care products } such as toothbrushes and razors to dispense fluids such as dentifrice and shaving aids
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH