Waste metal. Electromagnets can be used to separate magnetic materials such as iron and steel from mixed piles of trash. The metals are pulled out by the magnet while nonmagnetic objects such as glass and plastic stay behind.aste metal. Electromagnets can be used to separate magnetic materials such as iron and steel from mixed piles of trash. The metals are pulled out by the magnet while nonmagnetic objects such as glass and plastic stay behind.
The definition of pessimistic is constantly expecting the worst. An example of pessimistic is a person who always believes that something is going to fail. of or characterized by pessimism; expecting the worst.
By YourDictionary. A euphemism is a polite expression used in place of words or phrases that otherwise might be considered harsh or unpleasant to hear. Euphemisms are used regularly, and there are many examples in every day language. Some euphemisms are used in order to make a blunt or unpleasant truth seem less harsh.