This invention relates to equipment that applies in a precise location {TAIL ~ an accurate amount} of {HEAD ~ material} 
This invention relates to equipment that applies in a precise location { TAIL ~ an accurate amount } of { HEAD ~ material }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD