Sometimes you need to get easily collapsible gusset. Use the hinge type piano, but remove the axle. There are also more simple variant — with a normal hook. The figure shows three solutions for such constipation.
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I read your magazine for many years: love. "Club home of the masters" — the "Tips...", and numerous articles on the Economics — I can be very useful: apply several per year plus "old".... - ALUMINUM! BRAZED!
It is known that in house conditions to solder aluminum products is not easy: tinned stripped space prevents instantly formed when Stripping arisia film. To remove it use acid, steel...