{TAIL ~ The slots} are sized and spaced to receive {HEAD ~ the blades} to thereby connect the components 
{ TAIL ~ The slots } are sized and spaced to receive { HEAD ~ the blades } to thereby connect the components
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH