{HEAD ~ Additional steps} are having {TAIL ~ a central computer} monitor inventory levels, track part request, and order replacement parts when inventory levels fall below a preset level 
are having
{ HEAD ~ Additional steps } are having { TAIL ~ a central computer } monitor inventory levels , track part request , and order replacement parts when inventory levels fall below a preset level
HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH