عناصر و مراحل تكوين الخرسانة الجاهزة | How Concrete is Made

Описание к видео عناصر و مراحل تكوين الخرسانة الجاهزة | How Concrete is Made

Concrete is the most important construction material on earth and foundation of our modern society. At first glance it seems rudimentary, but there is a tremendous amount of complexity involved in every part of designing and placing concrete. This video is meant to be a bare-bones introduction to the topic.


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