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Технические решения, исключающие о...by Каверзные вопросы и парадокса...
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201The current approach to the regulation of traffic when traveling at high density cannot solve the problem of a formation of congestion and traffic jams in major cities a...
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Multi-tube Vortex Mixerby Eleanor Grace101
101Multi-tube Vortex Mixer is a LED display digital mixer operated
with brushless DC motor and microprocessor controlled technology.
It safely holds multiple test tubes a...