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Amber isuka izengurutse umunwa
Icupa ryikirahure rimaze guhinduka ni uguhitamo gukundwa gukabika no gukwirakwiza amazi atandukanye, nka peteroli, isosi, nibihe. Amacupa asanzwe akozwe mubirahuri byirabura cyangwa amber, kandi ibirimo birashobora kuboneka byoroshye. Amacupa mubisanzwe afite ibikoresho bya screw cyangwa cork kugirango ibikubiye bishya.
