Over the past two decades concrete has enjoyed a renewed level of research and testing, resulting in the development of many new types of concrete. Through the use of various addit...
Over the past two decades concrete has enjoyed a renewed level of research and testing, resulting in the development of many new types of concrete. Through the use of various addit...
22 декабря 1937 года
появился на свет Эдуард Николаевич Успенский, замечательный русский писатель, автор популярных сказок "Крокодил Гена и его друзья" (1966г.), "Чебурашка и его друзья" (1970г.), "Дядя Федор, пес и кот" (1974г.).
