Chisangalalo chaperekedwa kwa chitukuko ndi kukonza makina opanga matabwa, kuti abweretse phindu lochulukirapo kwa wogwiritsa ntchito.
Posachedwa, mainjiniya angokhazikitsa makina atsopano opangidwa ndi fumbi latsopano. Kuonjezera chipangizo chowombera cha mpweya pa makinawo kumatha kusintha momwe fumbi amachotsera kwambiri.
Tumizani uthenga wanu kwa ife:
Post Nthawi: Apr-01-2020
