27 octobre 2015
Basics for the design of wood-burning masonry boilers.
In Russia, most residential buildings are heated by hot water supplied centrally by municipal boiler stations. The country currently experiences crisis of such municipal systems and networks. Existing municipal boilers are inefficient, burn expensive fossil fuels and very often are in use much longer than their normal life expectancy. Due to chronic deficit of municipal budgets, no repairs or upgrades were done to the equipment for many years. In a situation where every saved penny counts, it would be highly beneficial to... [Lire la suite]05 mai 2015
Ce que l'on peut réaliser avec des palettes.
Ce que l'on peut réaliser avec des palettes.
04 mai 2015
Construction d'une barque 3.50 m.
Construction d'une barque - 1° partie
Construction d'une barque - 2° partie
Construction d'une barque - 3° partie
