Do not rush to dispose of used aerosol cans. They still serve. In the case that a hole is drilled Ø 8 mm, which are sealed cropped fitting nipple from Bicycle inner tube. Through it is filled with required liquid (paint, varnish, etc.). Inserting the nipple, and filling the balloon with air using a Bicycle pump, get the sprayer ready to work. I. FILATOV, Voronezh
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