Memachaik

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Memachaik

  1. The Mishnah in Masechet Shabbat (73a) lists memachaik as one of the 39 Avot Melachot.

This is defined as scraping or removing a surface to leave a smooth remainder. For example, using sandpaper to smooth wood, or scraping hairs off a piece of leather to make it smooth [1] In the mishkan, memachaik was performed to smooth the ram’s hides after tanning them by removing the hairs [2]

Toladot

Mimareach

One of the toladot of this melacha is mimareach-smoothing not by eliminating surface, but by spreading something over the surface. [3]

Practical Issues

Brushing Teeth

see Brushing Teeth on Shabbat
see Cosmetics page

References

  1. Rambam Hilchot Shabbat 11:5
  2. 39 Melachot (Rabbi Ribiat) pg. 913.
  3. Rambam Hilchot Shabbat 11:6