Many types of {HEAD ~ fasteners} can be used, such as nails and {TAIL ~ staples} 
Many types of { HEAD ~ fasteners } can be used , such as nails and { TAIL ~ staples }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL