Zoyikapo payipi zimagwira ntchito yofunika kwambiri m'mafakitale osiyanasiyana, kuwonetsetsa kusamutsa bwino kwamadzi ndi mpweya. Kuchokera kuzinthu zopangira zinthu kupita kumalo omanga, zopangira izi ndizofunikira kwambiri zomwe zimagwirizanitsa ma hoses ku zipangizo, zomwe zimalola kuti ntchito ikhale yosasunthika. Komabe, kusankha rig
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