Alternatively, {HEAD ~ the releasable adhesive compound} may be in {TAIL ~ the form} of a liquid which may be sprayed or brushed on to the surface 
in
Alternatively , { HEAD ~ the releasable adhesive compound } may be in { TAIL ~ the form } of a liquid which may be sprayed or brushed on to the surface
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH