Автор работы: Пользователь скрыл имя, 09 Декабря 2011 в 23:54, реферат
Wood - is the oldest building material given to us by nature. Its main advantage is environmental cleanliness (environmental). Wood breathes, the humidity inside the house are always at an optimum level. From the wooden walls and blowing housewifely calm, they protect from frost in winter and in summer from the heat. Of wood in Russia, built all the temples, castles, princes and knights of mansions, residential houses, peasant houses and farm buildings.