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