Дешевое отопление дома: водяной солнеч. коллектор
Это о 2-м типе солнечных коллекторов, которые пригодны для отопления дома
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![Дешевое ОТОПЛЕНИЕ МАГАЗИНА без Газа [Сэкономили Миллионы Рублей]](https://sun9-15.userapi.com/8RDmGaTOdWz0Gu73vhdLTiPSPuW7ctmT6a6KzA/o0mp7Y6grmA.jpg)
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