Chain type and pitch. . . Sprockets are designed for use with a specific chain. All chains are made to a given standardâwith ANSI being the most common in the U.S. Each chain is identified by âpitch,â which refers to the measurement from one roller-pin center to the next roller-pin center of a given chain.
Itâs nothing more but a microphone but instead of a membrane moving with a coil attached to it and the magnetic field staying constant, the magnetic field changes. A piezo-electric pickup uses pressure to create a current. The current is in close relation with the frequency of the source, of course. The physical reason as to why some materials exhibit this trait is a bit difficult to explain.
matzo [(maht-suh)] A flat piece of unleavened bread, resembling a large cracker, used by Jews in place of yeast bread during Passover. According to the biblical account of Passover, God directed the ancestors of the Jews to eat unleavened bread, rather than delay their departure from Egypt by waiting for bread to rise. The New Dictionary of Cultural Literacy, Third Edition