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EnglishVoice Age
Young Adult (18-35)Transcript
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Concrete is a very strong and versatile Moldable construction material. It consists of cement, sand and aggregate mix to its water. This meant water forms a paste or jail, which goes the sand and aggregates. When this mentors chemically reacted with the water it hadn't and binds the whole missed together. The initial hadn't in reactions usually occurs within a few us. It takes some weeks for concrete to reach full hardness and strength. Concrete can continue harden and gain strength over many years.