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