Chiyambi: Pamene kulimbikira kwapadziko lonse kwa kugwiritsa ntchito mphamvu moyenera komanso kuchepetsa mpweya woipa kukuchulukirachulukira, eni nyumba ndi mabizinesi akukayikira kwambiri njira zotenthetsera zachikhalidwe. Mkangano pakati pa pampu yotenthetsera yomwe imachokera ku mpweya poyerekeza ndi boiler ya gasi (ndi mitundu ina ya boiler) sunakhalepo wofunikira kwambiri kuposa uwu, pomwe mapampu otenthetsera akuwoneka opambana bwino ...

































