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