Of course, particles also may deposit upon a virgin component because of {HEAD ~ exposure} of {TAIL ~ such components} to non clean room environments 
of
Of course , particles also may deposit upon a virgin component because of { HEAD ~ exposure } of { TAIL ~ such components } to non clean room environments
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH