Ƙirƙirar hanyoyi don saduwa da ƙira da amfani da siffar da ake buƙata da girman da ake buƙata ta hanyar busa, zane, latsawa, zubarwa, matsa lamba da sauran hanyoyi daban-daban. Hakanan ana iya amfani da gilashi a cikin nau'ikan sarrafa zafi da hanyoyin sarrafa sanyi, kamar tare da kayan gyaran fitila, narkewa mai zafi ...
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