Har ila yau ana kiran bugun kumfa mai nau'in kumfa mai nau'i uku, saboda tasirinsa bayan bugawa, yana da kama da tururuwa ko kayan ado a cikin nau'i na musamman na nau'i uku, tare da kyakkyawar elasticity da taushi mai laushi.Don haka, ana amfani da wannan tsari sosai wajen buga tufafi, buga safa, tebur...
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