local water

Больше похоже на это

Environmental Pollution

от Yazmin Bautista

PEPTIC ULCER

от SHAMIM IQBAL

19th Century Public Schools

от Stuart Maddock

GMO Project

от Toby Yang

Ottawas water supply

how its treated

10. distribution

9. testing

8. floridation

7.sec. disinfection

6.ph corection

5.prim. disinfection

4.filteration

3.sedimentation

2.coagulation and flocculation

1.intake

wheres its treated

Lemieux Island

Britannia

Ottawa's water is...

safe to drink

lead-free

threats to the water supply

anything harming the water

dackteria

diseases

oil