Keilim or Kelim (Hebrew: כֵּלִים, literally "Vessels") is the first tractate in the Order of Tohorot in the Mishnah. It contains thirty chapters, making it the longest tractate in the entire Mishnah. The Tosefta on Keilim consists of twenty-five chapters, divided into Bava Kama ("First Gate"), Bava Metzia ("Middle Gate"), and Bava Batra ("Final Gate") of Keilim. The tractate discusses the laws of ritual purity and impurity pertaining to all types of vessels.
- Chapter 1 clarifies the ranking of ritual impurities
- Chapters 2–10 discuss earthenware vessels
- Chapters 11–14 discuss metal vessels
- Chapters 15–19 discuss vessels made of wood, leather, and bone
- Chapters 20–25 discuss laws of purity and impurity pertaining to all vessels
- Chapters 26–28 discuss laws pertaining to leather and clothing
- Chapter 29 discusses the seams of clothing and vessels
- Chapter 30 discusses glass vessels.
- This article incorporates text from a publication now in the public domain: Singer, Isidore; et al., eds. (1901–1906). "KELIM". Jewish Encyclopedia. New York: Funk & Wagnalls Company. Retrieved May 20, 2015.
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