The screw gun is then pressed downwardly, to drive {HEAD ~ a screw} into {TAIL ~ the center} of the plate to secure the plate at the desired location 
into
The screw gun is then pressed downwardly , to drive { HEAD ~ a screw } into { TAIL ~ the center } of the plate to secure the plate at the desired location
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH