Siman - Shabbos Daf 18

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Not putting wheat in a water mill erev Shabbos

There is a machlokes regarding the reason why one may not put wheat in a water mill erev Shabbos if it will continue working during Shabbos:

•Rabbah says it is because it makes a lot of noise which is a dishonor to Shabbos.

•Rav Yosef says it is due to the requirement to have one’s utensils rest on Shabbos (שביתת כלים).

Question whether kneading requires manual mixing

There is a machlokes in a Baraisa regarding what is required to make someone liable for the melacha of Losh (mixing):

• Rebbi holds that if one person contributes the flour and another puts in the water, the last one is liable since he is the once that causes the ingredients to bind together, even though no manual mixing was done.

• R’ Yosi, the son of R’ Yehuda holds that one is not liable until one actually kneads the dough manually.

Placing food in the oven erev Shabbos

Beis Hillel prohibits placing a pot in an oven before Shabbos which will continue cooking during Shabbos, as a precautionary measure so that one will not come to stir the coals on Shabbos

(שמא יחתה). Therefore:

•A person may place a pot of raw food in the oven before Shabbos because the person wants it to cook through the night and there is no concern one will stir the coals.

•A person may place a pot of cooked food in the oven before Shabbos because there is no concern he will come to stir it.

•A person may not place a pot that contains food which is partially cooked food in the oven before Shabbos since there is a concern he will stir the coals. However, if he adds a raw piece of meat into the mixture, then it can be placed in the oven before Shabbos since the person will not come to stir it.

Siman – Chuppah. The chuppah by the noisy water mill, where ground wheat and water landed in kneading bowls, was followed by a meal of partially cooked food with raw pieces of meat, served in pots straight from the oven. Key Words – water mill, losh, pot in oven

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Rabbi Avraham Goldhar

Rabbi Avraham Goldhar has been designing and teaching Jewish literacy courses for over thirty years. His knowledge frameworks for Biblical mastery, Jewish History, Talmudic Law & Jewish Holidays enable students of all backgrounds to better integrate Jewish concepts and learn systematically. After serving as the Educational Director of Aish HaTorah New York, Avraham launched GoldharSchool.com, Home of Big Picture Jewish Education, featuring Jewish literacy content for schools and individuals. He is the developer of the Goldhar Method, a revolutionary learning system that integrates memory into the learning process and has trained over 80,000 students, teachers and professionals. He lectures internationally on the topic of academic mastery and the solutions required to raise the bar in education. Avraham learned in Aish HaTorah, Mir, and Chaim Berlin and received his ordination under the tutelage of Rabbi Yitzchok Berkovits in Jerusalem.