In the United States, at the University of Champaign in Ilinois, the concrete that stains the wounds has been invented. When cracked, cracked or interrupted, it is automatically cured. To do this, a mixture of “cylindrical” fibre must be added to the concrete. When a concrete wall is cracked, a beam or similar, adhesive polymers are extracted that break the fibers and close the hole. The automatic closure of the crack and the concrete element is ready for many more years.
Saioa hasi iruzkinak uzteko.