{TAIL ~ The combination} 25, wherein said fasteners are nuts and bolts or {HEAD ~ rivets} 
{ TAIL ~ The combination } 25 , wherein said fasteners are nuts and bolts or { HEAD ~ rivets }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD