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.
Feeling sad, anxious, or empty. Feeling hopeless or pessimistic. Feeling guilty, worthless, or helpless. Not enjoying things you used to enjoy. Trouble with concentration, memory, or making decisions. Sleeping too much or too little. Appetite changes. Gaining or losing weight.