Sankhani malangizo othandizira carburizing
Njira yatsopano yosungunulira zitsulo zosungunulira, kaya mtengo kapena ntchito yomalizidwa, ndiyabwino kuposa kuchuluka kwachitsulo cha nkhumba, wothira mafuta omwe amawonjezeredwa mung'anjo yachitsulo yosungunula, kugwiritsa ntchito mwapamwamba kwambiri, wothandizila bwino kwambiri, akhoza kukhala oyipa kwambiri. zinyalala...