Ekologiya

Ma’ishiy-xo’jalik va ichimlik suvi sifatida
- yil fasllarda suvdni iste’mol qilishda farq bormi;
Deyarli yo’q
- chiqindi suvlarni tashash joyingiz;
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- oilangiz suvga qancha pul to‘laydi;

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Kanalizatsiyachi?

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- oilangiz da buzilgan kran, trubalr bormi.

Yo’q
Buzilgan krandan qancha suv oqib ketmoqda: kran tagiga birorta idish qo‘yib va qancha vaqt mobaynida u to‘lishini aniqlang.
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