Page 6 - โครงการ EM Ballบำบัดน้ำเสีย ก่อ2 เสร็จ pdf
P. 6
Abstract
(บทคัดย่อภาษาอังกฤษ)
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.
