Ƙarƙashin ƙasaAna amfani da su sosai don danne fa'idodin makamashin hasken rana, shingen shinge na waya da sauran gine-gine zuwa ƙasan ƙasa.

∎ Screws suna ƙara wurin tuntuɓar juna don sauƙin tuƙi a ƙarƙashin ƙasa da ƙarfin kama ƙasa.

∎ saman galvanized mai zafi mai zafi don mafi kyawun lalata da juriyar tsatsa.

■ Ƙarfin ɗaukar nauyi, juriya na cirewa da juriya ta gefe.

■ Adana lokaci da sauƙi da sauri don shigarwa.Babu tono kuma babu kankare.

∎ Kudin da ya dace

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