Energetická efektívnosť
Vyjadrite svoj názor a podieľajte sa na tvorbe politík
Save energy like electricity
Now I find that many light bulbs in public places are not turned off. I urge everyone to turn off the lights at night to save electricity.
Vyjadrite svoj názor a podieľajte sa na tvorbe politík
Now I find that many light bulbs in public places are not turned off. I urge everyone to turn off the lights at night to save electricity.
Zdieľať