Home/Browse Lectures/Can one send next day delivery letter on Friday?Torah LectureCan one send next day delivery letter on Friday?Lectured by Rabbi Gabriel Koskas Published May 27, 2025 Duration 4:54Back Listen Lecture codeRGK-1577Continue learningMore lectures from Rabbi Gabriel KoskasExplore more classes from the same speaker.Remove the “blindness form the blind”4:57 Listen Another example of removing the “blindness”5:34 Listen Lifne Iver if you’re forced to do it4:38 Listen How much Tumah goes through the antenna5:37 Listen An antenna above a synagogue6:0 Listen Hilchot Birchat Cohanim - Saying Elokenu instead of Kohanim3:53 Listen View all lectures by Rabbi Gabriel Koskas