Question

scraper is a category of

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Answer 1

Answer:

A hand scraper is a single-edged tool used to scrape metal from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, needs to retain oil (usually on a freshly ground surface), or to give a decorative finish. Surface plates were traditionally made by scraping.

Answer 2

Answer:

Try not to have such variations for a better world.