What is Mashgiach?

A mashgiach (Hebrew: משגיח כשרות‬) is a Jew who supervises the kashrut status of a kosher establishment. A mashgiach may supervise any type of food service establishment, including slaughterhouses, food manufacturers, hotels, caterers, nursing homes, restaurants, butchers, groceries, or cooperatives. The mashgiach usually works as the on-site supervisor and inspector, representing a kosher certification agency …

Eruv

An Eruv usually refers to citywide or neighbourhood symbolic enclosure which allows Jews carry objects on Sabbath is if was in there private domain. There are structural limitation where an Eruv can exist such as place where 600000 people pass by. Rabbis believe that Manhattan is “Reshut Harabim” deoraisa thus it not “eligible” for an …