As previously pointed out, with {HEAD ~ the spray nozzles} permanently mounted at {TAIL ~ strategic points} on the reactor, it is possible to reach all inner surfaces thereof without opening the reactor 
permanently mounted at
As previously pointed out , with { HEAD ~ the spray nozzles } permanently mounted at { TAIL ~ strategic points } on the reactor , it is possible to reach all inner surfaces thereof without opening the reactor
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 OTH