Practical applications with "מצוה" in S'char shabbos.
Understanding the Concept of פסיק רישיה (P'sik Reisha): When an Allowed Action Causes a Forbidden Result with Two דרבנן. When Is One Allowed to...
Review of LOSH with more practical applications (Part 2).
Creating a nice smell (perfuming clothing and other objects) does this apply to food, drinks, or the human body;