Upon attainment of the desired lower temperature, {HEAD ~ the reducing agent} is introduced into {TAIL ~ the chamber} on a body reduction pan composed of a high temperature stainless steel or suitable refractory material 
is introduced into
Upon attainment of the desired lower temperature , { HEAD ~ the reducing agent } is introduced into { TAIL ~ the chamber } on a body reduction pan composed of a high temperature stainless steel or suitable refractory material
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH