{HEAD ~ The apparatus} 15 wherein {TAIL ~ said means} for changing the orientation comprises a flange surrounding the periphery of each scrubber section, said flange including holes therein adapted to receive bolts which pass through the corresponding flange in the other scrubber section 
wherein
{ HEAD ~ The apparatus } 15 wherein { TAIL ~ said means } for changing the orientation comprises a flange surrounding the periphery of each scrubber section , said flange including holes therein adapted to receive bolts which pass through the corresponding flange in the other scrubber section
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL 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