Pazifukwa zapadera, galimotoyo imafunikira chitsanzo chochokera kwapadera, chomwe kwenikweni ndi chitsanzo chopangidwa ndi mapangidwe, makamaka potengera mndandanda wa mapangidwe a galimoto, kotero kuti galimotoyo imakhala ndi chitetezo chapadera (monga kuphulika-umboni, mankhwala. anti-corrosion, panja ...
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