The first and second reservoirs may each be provided with {HEAD ~ a luer} fitting to facilitate {TAIL ~ attachment} to a supply of the first component and the second component, respectively 
fitting to facilitate
The first and second reservoirs may each be provided with { HEAD ~ a luer } fitting to facilitate { TAIL ~ attachment } to a supply of the first component and the second component , respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH