Plastic waste recycled into bricks stronger than concrete ...
Nzambi Matee hurls a brick hard against a school footpath constructed from bricks made of recycled plastic that her factory turns out in the Kenyan capital. It makes a loud bang, but does not crack. "Our product is almost five to seven times stronger than concrete," said Matee, the founder of Nairobi-based Gjenge Makers, which transforms ...