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