A cikin yashi, kwanon dutse da sauran ƙasa tare da babban juriya na ƙasa, don biyan buƙatun ƙarancin juriya na ƙasa, ana amfani da grid na ƙasa wanda ya ƙunshi gawar ƙasa da yawa a layi daya.Koyaya, wani lokacin ana buƙatar kayan ƙarfe da yawa kuma yankin ƙasa yana da matukar...
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