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Sanitation Workers
Janet Piehl
出版Lerner Publications, 2005-08-01
主題Juvenile Nonfiction / Readers / BeginnerJuvenile Nonfiction / Transportation / AviationTechnology & Engineering / Environmental / General
ISBN08225284799780822528470
URLhttp://books.google.com.hk/books?id=LcBBEUdlLGYC&hl=&source=gbs_api
EBookSAMPLE
註釋Describes a sanitation worker's typical day of refuse collection and disposal, and provides a brief history of how the profession has changed since ancient Roman times.