Zigawo za Mechanical za Granite
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Zigawo Zopangira Makina Opangira Miyala Yokongola Molondola
Makina olondola kwambiri amapangidwa ndi granite yachilengedwe chifukwa cha mawonekedwe ake abwino. Granite imatha kusunga kulondola kwakukulu ngakhale kutentha kwa chipinda. Koma bedi la makina achitsulo lidzakhudzidwa ndi kutentha kwambiri.