Трубы в ППУ изоляции. Утеплитель для труб.
Трубы в пенополиуретановой изоляции (ППУ). Технические характеристики, область ...
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![Звуковые иллюзии, которые работают на всех (почти) [Veritasium]](https://sun9-60.userapi.com/RGGNPK23K9Pvqq9-nQls9MesyASsk2EN0K1BYQ/EMHwhDW529k.jpg)
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