It should be noted that {HEAD ~ elements} having a corresponding function have been provided with {TAIL ~ the same reference signs} in the different embodiments 
provided with
It should be noted that { HEAD ~ elements } having a corresponding function have been provided with { TAIL ~ the same reference signs } in the different embodiments
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH