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Explanation: You have a typo in your text. The Arabic term is مسحاج
It is also called مكشطة
A scraper is defined as "a self-propelled machine capable of digging, loading, hauling, dumping, and spreading materials; used to move earth by stripping or collecting a layer with a cutting blade while moving forward, pushing the earth into a bowl, and then unloading it."
McGraw-Hill Dictionary of Architecture and Construction