Page 4 - โครงงานตามความสนใจ

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Abstract

(บทคัดย่อภำษำอังกฤษ)

Now the pond near football field has a smell and has a bad quality that makes pond near football

not pieasant and it does not have animals in the pond.

So our group EM BALL water treatment think to use EM BALL water to treat water like teacher

Mon and Mr.Yod use to do because EM BALL has living bacteria . They fight bad bacteria at the bottom

of the pond .So water quality is better . It could be food for fish too.

To make water quality and toimprove the pond near football field our group decided to have

EM BALL water treatment to make everyone aware of the problem.