The air curtain is installed inside the doorway, and air blows down toward the floor, sometimes at a slight angle outward. Jupiterimages/Getty Images There are two ways to use an air curtain.
Psychotherapy is the first form of treatment for depression or anxiety and involves a variety of treatment techniques. During psychotherapy, the person experiencing depression or anxiety speaks with a licensed psychologist or therapist who helps him or her to identify and work on the causative factors.
Compare President Hoover's response to the stock market crash of 1929 to his response to the Great Depression in the early 1930's. In 1929, Hoover took a cautious approach. In 1930 during the Great Depression, Hoover began making an active approach.