{HEAD ~ Work station} 32 is {TAIL ~ a pipetting station} whereat sample fluid and any other required fluid test reagent are delivered to the assay cartridges 22 
is
{ HEAD ~ Work station } 32 is { TAIL ~ a pipetting station } whereat sample fluid and any other required fluid test reagent are delivered to the assay cartridges 22
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH