Bubonic Plague was known as the Black Death and had been known in England for centuries. It was a ghastly disease. The victim's skin turned black in patches and inflamed glands or 'buboes' in the groin, combined with compulsive vomiting, swollen tongue and splitting headaches made it a horrible, agonizing killer.
Uses of Tin. Tin is mostly commonly used in alloys, and in tin plate which is a thin sheet of steel with a protective coating of tin. Tin plate is used for food cans because it is not reactive to the acids present in food.
Today, because it is such a good conductor of electricity, copper is mostly used in electrical generators and motors, for electrical wiring, and in electronic goods, such as radio and TV sets.Copper also conducts heat well, so it is used in motor vehicle radiators, air-conditioners and home heating systems.rass is an alloy of copper and zinc. Copper was the first metal to be used by humans. It was probably used by 'Neolithic man' to make tools as early as 7000 BC (9000 years ago).