結果 : why is water treatment important
5:24

When is water safe to drink? - Mia Nacamulli

TED-Ed
1,334,239 回視聴 - 7 年前
4:15

How Does Water Treatment Work | Environmental Chemistry | Chemistry | FuseSchool

FuseSchool - Global Education
142,569 回視聴 - 8 年前
10:50

How Do Water Treatment Plants Work?

Concerning Reality
1,319,424 回視聴 - 5 年前
3:01

How Does Wastewater Treatment Work?

Concerning Reality
47,744 回視聴 - 2 年前
10:03

How Do Wastewater Treatment Plants Work?

Concerning Reality
2,489,074 回視聴 - 6 年前
1:01

Water Purification - Why is alum added to water? | #aumsum #kids #science #education #children

It's AumSum Time
379,898 回視聴 - 6 年前
3:31

How do wastewater treatment plants work?

Collins Learning India
1,355,672 回視聴 - 4 年前
5:08

Water Treatment Frequently Asked Interview Questions | Dow | BASF SE | Pentair plc | Kemira Oyj |

tech mecha
16,296 回視聴 - 3 年前
23:14

Sewage Treatment Plant | Civil Engineering | IIMT College of Polytechnic , Greater Noida

IIMT GROUP OF COLLEGES
69 回視聴 - 1 日前

-
4:59

The Importance of Water Filtration

Designing Spaces
6,928 回視聴 - 3 年前
13:02

Water Treatment Process in 3 easy steps [Free Dialysis Video Training]

Utopia HCC
142,722 回視聴 - 6 年前
5:48

What is WATER POLLUTION? | What Causes Water Pollution? | The Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
4,159,236 回視聴 - 4 年前

-
3:07

Beneficial Biofilm Bacteria - waste water treatment

Karl-Uwe Schmitz
17,857 回視聴 - 5 年前
1:02

Why Is Chlorine Used in Water Treatment? Explained in a minute I Chemniverse

Chemniverse
17,735 回視聴 - 3 年前
3:26

Problem Solved: Flow Rate Formula - Water Treatment, Distribution and Wastewater Math

American Water College
449,895 回視聴 - 12 年前
5:50

Wastewater Treatment Frequently Asked Questions | ETP | BOD | COD | Waste Water | TECH MECHA |

tech mecha
15,857 回視聴 - 3 年前
3:06

What does it take to be a water treatment plant operator?

Rural Community Assistance Partnership - RCAP
177,460 回視聴 - 12 年前
4:07

How Drinking Water from Copper Vessel Can Improve Your Health? Copper Vessel Health Benefits

The Yoga Institute
213,621 回視聴 - 1 年前
10:05

Michael Pritchard: How to make filthy water drinkable

TED
1,952,801 回視聴 - 15 年前
3:21

The water treatment process

Severn Trent Water
884,183 回視聴 - 15 年前