Therefore, this applicant introduces {TAIL ~ a unit} that will prevent such exposure and {HEAD ~ its related problems} 
Therefore , this applicant introduces { TAIL ~ a unit } that will prevent such exposure and { HEAD ~ its related problems }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD