is one allowed to wear glasses on Shabbos when the lenses change colors in the sun and indoors?
the use of colored toilet disinfectants, colored deodorizers on Shabbos;
additional various examples of צביעה באוכלים (coloring foods)
shailos with mixing red and white wine; mixing tea essence with hot water;
interesting practical applications which apply to coloring foods on Shabbos;
"צביעה באוכלים" (coloring in foods) - the stringent view of some poskim
understanding the concept of "אין צובע באוכלין" (no coloring by food that's eaten)
introduction to "צביעה באוכלים" (coloring foods)
temporary coloring; permanent coloring;
darkening an existing color; materials subject to TZOVAYA;
Introduction to what "TZOVAYA" is all about.
How to borrow or lend something on Shabbos.
pledging tzedakah; buying seats; buying aliyos; etc.
understanding the concept of buying and selling
declaring something ownerless; repaying something that was borrowed;
various ways to give gifts in cases of necessity;
giving somebody a meal or a snack; gift for "S'char Shabbos";
Introduction to what it's all about.
A quick review.
rough estimates with a food scale; measuring from a drinking cup; measuring for a small child;
measuring and weighing in cases of illness; measuring and weighing for a infant; using a thermometer;
Measuring for a mitzvah - "מדידה של מצוה". Preferably should be done on "ערב שבת".
Various interesting cases in conjunction with weighing on Shabbos.
What are the circumstances needed to consider one's actions "מדידה של מצוה" (measuring for a mitzvah).
Understanding the concept of "מדידה של מצוה" (measuring for a mitzvah).
measuring with one's eyes; rough estimate not exact measurement;
Introduction to what it's all about.
Some various closing thoughts on S'char Shabbos.
vending machines; expenses for the babysitter, caterers; restaurants, hotel rooms;
Receiving interest from a bank, dividends from stocks, etc. (Part #2)
