Tin cry 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 "crying" and "screaming". It is very noticeable when a hot-dip tin coated sheet metal is bent at high speed over rollers during processing. The tin cry is often demonstrated as a simple science experiment. The bar of tin will "cry" repeatedly when bent until it breaks. The experiment can then be recycled by melting and
Bengali Muslim wedding traditional wedding is arranged by Ghotoks (matchmakers), who are generally friends or relatives of the couple, or sometimes just professional matchmakers. The Ghotoks facilitate the couple's introduction to the wedding guests, and are given special gifts called "Ghotokbidae" (lit., "bidding goodbye to the Ghotoks") if the alliance is agreed upon and the marriage is realized. Families traditionally seek their children's matches from the same caste, religion and social standing. In the case of an arranged marriage, if the aforementioned 'compatibility' factors are duly matched, only then is the pairing deemed a raj-jotak (an ideal match). Nowadays (as arranged marriages are