Bells are usually made of tin-copper alloys due to their acoustic properties. Aluminum alloys with an additional 4.8% copper have shown smilar characteristic as tin-copper. Aluminum can be used as a material for making bells. Ceramic casting molds use clays. One of the areas that has considerable natural clay potential is in Gema Village, Lipat Kain Subdistrict, Kampar Regency, Riau P…