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Cov khoom muaj zog tshiab tau ua rau muaj txiaj ntsig zoo rau kev tiv thaiv ib puag ncig
Nyob rau hauv xyoo tas los no, cov khoom siv hluav taws xob tshiab xws li hnub ci tshuab thiab photovoltaic panels tau dhau los ua neeg nyiam.Cov khoom lag luam no tau pab txhawb rau lub teb chaws txoj kev txhim kho kom ruaj khov thiab kev tiv thaiv ib puag ncig, nrog rau kev tsom mus rau txo peb cov kev vam khom ...Nyeem ntxiv
