Use of Electricity on Shabbat and Yom Tov
Inclusion of guests in Eiruvei Chatzeirot [Merging of yards into a single property, to allow carrying between the yards]
Swimming on Shabbat and Yom Tov
Eating Seudah Shelishit (Shalosh Seudos) when Erev Pesach is Shabbat
Use of a time-delayed transaction to sell Chametz when Erev Pesach is Shabbat
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