{TAIL ~ This acid free product} is desirable for use in shaped charges including metal casings and {HEAD ~ linings} 
{ TAIL ~ This acid free product } is desirable for use in shaped charges including metal casings and { HEAD ~ linings }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD