Fixing our concrete problems | Eco-at-Africa

DW News
DW News
60.3 هزار بار بازدید - 8 سال پیش - After water, concrete is the
After water, concrete is the substance most widely consumed by humans. This ubiquitous substance is highly polluting but a German firm has developed a way of recycling old concrete.

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8 سال پیش در تاریخ 1395/10/23 منتشر شده است.
60,350 بـار بازدید شده
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