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It is, therefore, essential that a banksman be appointed to warn the operator of hazards that cannot be seen from the operator's position.
重型运土设备使用时,操作人员只能看到有限的区域,因此,必须指派矿口监工随时警告操作人员在操作位置上无法发现的危险。
banksman
It is, therefore, essential that a banksman be appointed to warn the operator of hazards that cannot be seen from the operator's position.
重型运土设备使用时,操作人员只能看到有限的区域,因此,必须指派矿口监工随时警告操作人员在操作位置上无法发现的危险。