Yanayin aiki na tono, bulldozers, crawler cranes da sauran kayan aiki a cikin kayan aikin gine-gine suna da wuyar gaske, musamman ma masu rarrafe a cikin tsarin tafiya a aiki suna buƙatar jure wa tashin hankali da tasiri. Domin saduwa da kayan aikin injin rarrafe, ya zama dole ...
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