An electric kiln for firing ceramic ware in a reducing atmosphere has {HEAD ~ a substantially sealed chamber} with {TAIL ~ electrical resistance heating elements} 
with
An electric kiln for firing ceramic ware in a reducing atmosphere has { HEAD ~ a substantially sealed chamber } with { TAIL ~ electrical resistance heating elements }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL