Bangaren
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Hot tsoma galvanized Angle bakin karfe sashi
Tallafin da ake goyan baya kai tsaye akan ginshiƙin da aka ƙarfafa yana yawanci goyan baya, gabaɗaya yana ɗaukar 1/5 ~ 1/10 na tsawon.Tsayin internode na goyan baya gabaɗaya 2m ko 3m.