The Cajueiro district is located approximately 75km NW of the town of Alta Floresta in the state of Mato Grosso (Figure 1) in central western Brazil. The project is easily accessible by road, lies on ...

Pour 3 cups of boiling water into the drain. Add 1/2 cup baking soda and let sit for 5 minutes. Mix 1 cup vinegar with 1 tbsp ...