{HEAD ~ the closure flap} is removed from the longitudinal side of the housing, where, as long as it is present, it blocks the entry of, for example, gripping elements of {TAIL ~ the disassembly stations}, 
{ HEAD ~ the closure flap } is removed from the longitudinal side of the housing , where , as long as it is present , it blocks the entry of , for example , gripping elements of { TAIL ~ the disassembly stations } ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH