Ƙanƙarar bera
Rat Ice sigar busasshiyar ƙanƙara ce ta kasuwanci wacce Hukumar Kare Muhalli ta Amurka ta amince da amfani da ita wajen shaƙa gidajen beraye. Alamar kasuwanci mallakar Bell Labs ne.

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Hanyoyin haɗi na waje 

 Bell Laboratories, Inc.: Rat Ice