Vòi lọc nước mini
Hiện vẫn có hàng trăm triệu người trên thế giới không tiếp cận được với nguồn nước sạch. Đã có nhiều dự án lọc nước phục vụ cộng đồng, nhưng hầu hết áp dụng những phương pháp tốn kém...
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