{HEAD ~ The doors} 22, provided with {TAIL ~ a lock} 32, completely cover, in closed state, the entire drive system 
provided with
{ HEAD ~ The doors } 22 , provided with { TAIL ~ a lock } 32 , completely cover , in closed state , the entire drive system
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH