Such a solution can be made. In the majority of schools are able to resolve it by the wind direction during the downwind may reduce the activity outside the building. In the majority of places for waste disposal must be monitor. Increase, and there may be dust and tree-planting in parts of the landfill is full, then it should be closed in order to prevent further spread.Ways to solve such problems can be achieved. On the part of the school
การแปล กรุณารอสักครู่..
