Yesodos Hechsher Keilim and Hafrashas Challah

FUNDAMENTAL PRINCIPLES & CONCEPTS OF HILCHOS TEVILAS KEILIM, HECHSHER KEILIM & HAFRASHAS CHALLAHCould glass be kashered? Does it need to be kashered?If one cannot remove a stain from a keili, can it be kashered?Does a pushpin use to design a cake require tevillah?Does a keili that is always used with parchment paper require tevillah?What happens if one divides five pounds of dough into many parts, freezes them, and only takes out one at a time to bake?If one makes a few small batches of dough, how can they be combined together to be obligated in challah? This sefer explains fundamental principles and concepts in a short and clear style in order to be able to understand the complicated halachos of hechsher keilim, tevillas keilim, and hafrashas challah. Know when and how to ask a shailah. Know and understand common daily halachos. Clear and practical guide for kashering a kitchen for Pesach or from a non-Jew. A great way to review the halachos in an organized and systematic f