{TAIL ~ The groups} of {HEAD ~ spade section} and associated connectors are joined together to form a plurality of structural segments  
{ TAIL ~ The groups } of { HEAD ~ spade section } and associated connectors are joined together to form a plurality of structural segments
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH