5. The most important requirements for concrete - id36286141 от AminaMK 06.12.2021 08:13

Question

Английский язык: 5. The most important requirements for concrete are: it should be hard, strong, durable, fire- resistant and economical. Concrete can be divided into two classes: mass or plain concrete and reinforced concrete (ferro -concrete) where it is necessary to introduce steel. V. Прочитайте 5-й-абзац текста и ответьте письменно на следующийво

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