Kupeza mphamvu chifukwa chodalirika kwambiri, kugwiritsa ntchito mphamvu zochepa, komanso kugwira ntchito mopanda anthu, amatumikira mizinda yanzeru, hydrology, ndi kupewa masoka. [International Environmental Technology News] Msika wapadziko lonse lapansi wa zida zowunikira zachilengedwe wawona kukwera kwa zinthu zomwe zatuluka-...
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