Noise pollution

Industrial garden is a new approach, especially for competition in increasing pollution in the atmosphere. It helps easily to beautify the industrial areas. The lawn laid in vacant lands not only adds beauty but also cut down dust. These gardens are designed to reduce pollution and beautify the world. These units are the most sources of air, water, noise and soil pollution.

7p chauchaungayxua11 23-03-2021 4 1   Download

phần 1 cuốn sách "english for environmental technology" trình bày nội dung bài các bài học: environmental science and technology, the atmosphere and ecosystem, energy resources, air pollution, noise pollution. mời các bạn cùng tham khảo nội dung chi tiết.

59p bautroibinhyen8 17-12-2016 93 13   Download