Besides portland cement, concrete may consist of other cementitious products including fly ash, a squander byproduct from coal burning electric powered electric power crops; floor slag, a byproduct of iron and steel production; and silica fume, a waste byproduct in the manufacture of silicon or ferro-silicon metallic. Some cementitious products https://coco-agriculture06813.ourcodeblog.com/36012832/about-concrete-reinforced-wall