Yadda ake gwada kauri na tef ɗin rufewa
A halin yanzu, kawai abubuwan da za a gwada don samfuran tef ɗin rufewa a kasuwa sune danko da kauri na mold. A gaskiya ma, dankowar tef ɗin rufewa ya ƙunshi alamomi guda uku: tack ɗin farko, riƙon tack, da ƙarfin kwasfa ...
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