● tool

Extrusion/pressing machine for plastic-sand pavers

Practices that use it

Gjenge MakersNairobi social enterprise founded by engineer Nzambi Matee that transforms plastic waste (mixed with sand) into paving blocks and construction bricks that are stronger, lighter and cheaper than concrete. It recycles dozens of tonnes of plastic per week and buys material from collectors, women's groups and young people.● Scaled· scale subnational