So we pay attention to the problems of oil shortages and overflow waste, because we think the problem waste overflow will cause environmental pollution and crude oil is an important energy source.
So we pay attention to the issue of water overflow and waste it because we thought that garbage overflow will cause environmental pollution and energy, crude oil production is important.
Therefore, we pay attention to the problems of overflow of waste water and the lack of it because we think of garbage overflow to environmental pollution and energy source water crude บก็ important .