Scraper
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Scraper is generally a tool that scrapes its edge along a surface to achieve some change such as the removal of material. Specifically, a scraper may be:
- in archaeology, scrapers are unifacial tools
- in civil engineering, a wheel tractor-scraper is a piece of heavy equipment used for earthmoving
- a scraper is a musical instrument
- James Porteous invented the Fresno Scraper in 1883