In other words, it is an object of the present invention to remove {TAIL ~ contaminants} or eliminate {HEAD ~ any bad smell} of various contaminated materials 
In other words , it is an object of the present invention to remove { TAIL ~ contaminants } or eliminate { HEAD ~ any bad smell } of various contaminated materials
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH