1.Nsalu zopanda nsalu zopangira zovala Zitha kugwiritsidwa ntchito pazovala, magolovesi, zovala zamkati, zovala zakunja, zolemba zamafuta 2.Nsalu zamkati zamagalimoto zosagwirizana ndi nsalu zomwe zimagwiritsidwa ntchito kwambiri pamakina opangira zitseko, zida zamakhoma, zitseko ndi mazenera osindikizidwa. , zida zophatikizika, zida zapampando, ...
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