It also relates to drilling systems, apparatuses, and methods that utilize the novel tags, as well as the novel tags, {HEAD ~ their components}, and drillpipes that are equipped with {TAIL ~ such tags} 
are equipped with
It also relates to drilling systems , apparatuses , and methods that utilize the novel tags , as well as the novel tags , { HEAD ~ their components } , and drillpipes that are equipped with { TAIL ~ such tags }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL