a compartment accessible from an exterior wall of said housing through a closeable access opening and communicating with said sealable chamber, said compartment configured to receive a reducing agent, at least a portion of said compartment being disposed below said plate, and said {HEAD ~ plate} and said floor cooperating to prevent {TAIL ~ solid particulate} from entering said chamber from said compartment 
cooperating to prevent
a compartment accessible from an exterior wall of said housing through a closeable access opening and communicating with said sealable chamber , said compartment configured to receive a reducing agent , at least a portion of said compartment being disposed below said plate , and said { HEAD ~ plate } and said floor cooperating to prevent { TAIL ~ solid particulate } from entering said chamber from said compartment
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH