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.
A leftist is an individual who has an unexplained and rabid prejudice against all things right, and all issues concerning it. These things are collectively referred to as 'rightdom'. Leftism is the term used to refer to the belief of the inferiority, and hatred of all things right.