water in their homes—a factor that increases the risk of disease and death. sources of water can be unreliable and unpredictable, and in large-scale uses such as industry and power generation, much water goes to waste. improving the security and functionality of water and sanitation systems not only...
charleston tea plantation brought the china tea plants to his farm and tried to cultivate various varieties of tea, for example, green tea, black tea and oolong tea. as the british loved drinking tea, the new type of tea led the company to a success at that time while most of the sales were from the...