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