Jawapan

2016-09-15T21:43:58+08:00
One of the importance of keeping the school grounds clean, is students can study with and good enviroment because there are no odors when school ground is clean. Secondly, according to the International Sanitary Supply Association, elementary students contract eight to 10 cold or flu cases each year. Schools can decrease this number by keeping their facility clean and preventing the spread of germs. Healthy students are able to focus better at school and experience less absenteeism.