Shevisas Keilim (Kosher Anthology 39)

Shevisas Keilim (שביתת כלים): Timer; Starting melacha (watermill); Pizza oven for Motzai Shabbos; Fax machine; Time Zones; Vending machine. See seforim by Rabbi Cohen at ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠www.kashrushalacha.com