Hand scraper: is a hand tool used for removing high parts “high spot” from the surface of metal to make it smooth. Scraper has very sharp edge end to perform this purpose easily. There are three types of scrapers: Curved scraper, Triangular scraper and Flat blade scraper. Focus on Flat blade scraper and follow the guidelines bellow:

* Manufacturing Process:

– Primary (Casting / Powder)

– Secondary (Welding / machining)

– Tritary

* Material Substitution:

– Add two more material (minimum)

– Table of material properties

– Table of ranking

– Cost analysis table include:

* Labor cost

* Machine

* Cost of

* Manufacturing cost

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