Keywords - ñ‚ðµð¿ð»ð¾ ð² ð´ð¾ð¼ðµ

На отопление жилых домов ежегодно в стране расходуется около 150 миллионов тонн условного топлива. Эта цифра убедительно показывает, как важно искать пути уменьшения потерь тепла в зданиях. Именно с этой целью были введены в действие новые строительные нор
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Moldova Online · 998 days ago 0 216

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