Chifukwa cha ndalama zomwe Hien akupitirizabe nazo mu mapampu otentha a mpweya ndi matekinoloje ena, komanso kukula kwachangu kwa msika wamagetsi, mankhwala ake amagwiritsidwa ntchito kwambiri kutentha, kuziziritsa, madzi otentha, kuyanika m'nyumba, masukulu, mahotela, zipatala. , mafakitale, ...
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