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