http://users.livejournal.com/__const__/ ([identity profile] http://users.livejournal.com/__const__/) wrote in [personal profile] elena_mikhaylenko 2017-12-15 02:14 pm (UTC)

Надо ещё учесть, что песок не даёт плотной упаковки и при расчёте объёма придётся полученное значение домножить на 1.7
(9 comments)

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