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In addition to traditional ice, many ice dealers sell dry ice as well. Dry ice is frozen carbon dioxide and is frequently used when transporting perishable goods because of its extremely cold temperature. Dry ice is much colder than regular ice, and in addition to being used for transportation and storage of perishable goods, it is also has many other uses. Instead of melting, dry ice evaporates into gas, so many people will buy dry ice for its smoke effects. People filming movies, television shows or commercials where smoke needs to be seen will usually use dry ice because of its relative safety and its low cost.
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