understanding Important Concepts in the Melacha of 'מכה בפטיש' (Final Action);
ממצוא חפציך (Mimtzo Cheftzecha): What Type of Instances Would Make These Actions Allowed to Be Done on Shabbos?;
Pickling Foods, Salting Foods: Is One Allowed to Put Back a Pickle into Its Jar Which Was Taken Out?;