{HEAD ~ Reference numeral} 354 represents {TAIL ~ threads} within grooves 350 and 352 and reference numeral 356 represents threads on flexible electrical connectors 322 and 324 
represents
{ HEAD ~ Reference numeral } 354 represents { TAIL ~ threads } within grooves 350 and 352 and reference numeral 356 represents threads on flexible electrical connectors 322 and 324
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH