The upper lens is enclosed on three sides by collapsible shutters, shielding the upper lens from reflections and ensuring proper focus.
And members of Ribble Valley Council's Planning and Development Committee have now given a revised scheme for collapsible netting the go-ahead.
‘The first time I flew on Concorde, they brought me a collapsible coffee table and put champagne and canapés on it,’ she said.
Lately there's been a proliferation of Patented Umbrellas, which have those collapsible drinking cup-like sheaths on the tip.
Buildings, whole swimming pools, sports halls and stadiums will be collapsible to send them round the country to places that need them afterwards.
We no longer have to make do with the grubby white plastic garden furniture and collapsible click sun beds that were so popular a few years ago.
They could install collapsible bollards in the doorway which could be raised at night, but roller shutters - absolutely not.
The new steering is collapsible in the event of impact.
Penroyde & Prasad suggests creating a mobile unit with collapsible furniture so the council could tour the district.
The collapsible wood and canvas bed is assembled from three basic folding X-frame stools.