During painting operations, any pause — problem: where to put the brush? Help out a simple string, stretched between the ears buckets of paint. Neatly folded on it, the tool will quietly wait for when you will be able to continue the work.
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TIMER MODEL HELICOPTER
In aeromodelling clubs of the pioneer of the Kominternovsky area, obsut and Kharkiv high school № 112 in a few years, work is underway on the co-axial model helicopters. Their designs...
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