And we know that eco-industrial business, these kinds of business models -- there's a model in Europe called the eco-industrial park, where either the waste of one company is the raw material for another, or you use recycled materials to make goods that you can actually use and sell.
I sabem que el negoci eco-industrial, aquests tipus de models de negoci -- i ha un model a Europa que es diu parc eco-industrial, on el residu d'una empresa és la materia prima d'una altra, o utilitzes materials reciclats per a fabricar bens que realment pots utilitzar i vendre.