{HEAD ~ a lysing} on {TAIL ~ the fly channel} in fluid communication with the first one of the reagent storage reservoirs 
on
{ HEAD ~ a lysing } on { TAIL ~ the fly channel } in fluid communication with the first one of the reagent storage reservoirs
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH