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
San Tin the area. The Man clan decided to settle in the area in the 15th century. They dried the marshes and gradually filled them with soil, turning them into 800 hectare of rice paddies. This is reflected by the name San Tin, which means "new field"s. The San Tin areas are divided into nine villages within the area most notable areas are Wing Ping Tsuen (), which is close to the Tai Fu Tai Mansion, and Fan Tin Tsuen (). The areas around San Tin are covered in wetlands hence their main products are cabbages (like Chinese cabbage or kai-lan) and