A soot filter for {HEAD ~ the exhaust gas} of {TAIL ~ a diesel engine} comprises a filter body and a glow plug for thermally regenerating the filter body 
A soot filter for { HEAD ~ the exhaust gas } of { TAIL ~ a diesel engine } comprises a filter body and a glow plug for thermally regenerating the filter body
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH