Terms containing sand- scraping

Subject	English	Japanese
tech.	sand scraping	汚砂削取 (おさけずりとり)
tech.	sand-scraping	砂削取 (すなけずりとり)
tech.	scraping of dirty sand	汚砂削取 (おさけずりとり)
tech.	scraping of dirty sand	削取作業 (けずりとりさぎょう)