Shingle na kwalta a matsayin sabon nau'in tayal rufin rufi, tare da sauƙin ginawa, nauyi mai sauƙi, launi mai kyau, halaye mai ƙarfi na ruwa, ya jawo hankalin yawancin abokan ciniki ƙauna, amma an sami matsala a cikin siyan, dalilin da yasa shingle na kwalta zai sami siffofi da yawa, don haka karamin safe kuma ga kimiyya...
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