节省法 meaning in English

relief from royalty method
saving method

The most obvious place to start saving water is at home
家庭用水节省法节约用水由家庭做起。
Saving water at work
业界用水节省法
Here you can learn about why water should be saved , how you can do so at home and in the workplace , and the potential that reclaimed water has to improve the condition of our environment
本文将介绍节约用水的原因、家庭及业界的用水节省法，以及再造水的使用可怎样改善我们的环境。