calculating a utilization for the selected product based on {HEAD ~ product properties} specified by {TAIL ~ the user} 
specified by
calculating a utilization for the selected product based on { HEAD ~ product properties } specified by { TAIL ~ the user }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL