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