Tin has been widely used as an element and in the form of its alloys. It has been used frequently in the form of food containers as it is known for being resistant to corrosion. It can easily be coated on other metals as it offers a protecting layer. The fluoride of tin is added to toothpaste in order to prevent the decay of teeth. It can be combined with copper to form bronze and brass. Efforts are being made to replace lead and cadmium with tin as both lead and cadmium are poisonous. Tin can be combined with lead to form an alloy called solder that can be used for the purpose of soldering in electronic components. In the case of solder, efforts are being made to replace lead with silver.
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