How long does a knot have to be tied to be considered a "קשר של קימא". (Knot of permanence).
introduction to "צביעה באוכלים" (coloring foods)
What are some of the halachas of "kevashim/shlokos" (various foods). Part 1.
Addition to 1528: דבר דבר (Dabair Davar): הרהור Hirhurim (Thinking), Part 2;