Tin cry recrystallizing the metal. The low melting point of tin (only 232 °C, or about 500 K) makes re-casting easy. Tin anneals at reasonably-low temperature as well, normalizing tin's microstructure of crystallites/grains. Although the cry is most typical of tin, a similar effect occurs in other metals, such as niobium, indium, zinc, cadmium, gallium, and mercury. Tin cry A tin cry is the characteristic sound heard when a bar of tin is bent. Variously described as a "screaming" or "crackling" sound, the effect is caused by the crystal twinning in the metal. The sound is not particularly loud, despite terms like
Arena Naucalpan 15th Anniversary Show Anniversary Show is the fourth oldest still ongoing annual show in professional wrestling, the only annual shows that older are the Consejo Mundial de Lucha Libre Anniversary Shows (started in 1934), the Arena Coliseo Anniversary Show (first held in 1943), and the "Aniversario de Arena México" (first held in 1957). The Arena Naucalpan 15th Anniversary Show was organized by Alfonso Moreno and featured a large number of wrestlers from Consejo Mundial de Lucha Libre (CMLL), who allowed Moreno to book their wrestlers on a regular basis and in this case also sanctioned a match for the CMLL World Middleweight Championship.