{HEAD ~ A skylight construction} 2 including {TAIL ~ a further gasket} extending from the operating leaf frame and disposed between the operating leaf frame and covering means 
including
{ HEAD ~ A skylight construction } 2 including { TAIL ~ a further gasket } extending from the operating leaf frame and disposed between the operating leaf frame and covering means
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH