(Mafotokozedwe achidule) Kusamala kwa kukhazikitsa ndi kukonza ma valves a chitetezo: Kusamalira makina otetezeka: (1) valani ya chitetezo chokhazikika:
Pogwirizana ndi kampaniyo, amatipatsa kumvetsetsa kwathunthu ndi chithandizo champhamvu. Tikufuna kupereka ulemu waukulu ndi kuthokoza kochokera pansi pa mtima. Tiyeni tipange mawa abwinoko!
Tagwirizana ndi makampani ambiri, koma kampaniyi imachita makasitomala moona mtima. Ali ndi luso lamphamvu komanso zinthu zabwino kwambiri. Ndi mnzathu amene takhala tikumukhulupirira.