Aerospace engineers design aircraft, spacecraft, satellites and missiles, according to the BLS. In addition, these engineers test prototypes to make sure that they function according to plans.
1 Try a deload every six weeks or so. 2  Most serious coaches recommend three or four weeks on, one week off to their intermediate and advanced trainees. 3  These are people competing in strength sports and pushing serious weight, so you may not have to deload quite so often.
Treating Periodontal Disease at Home. 1  1. Floss your teeth at least once a day. Begin with an 18 inch piece of floss. 2  2. Brush your teeth two or three times a day with a soft tooth brush. Be sure to brush for at least two minutes per session, and pay special attention to cleaning the gum line. 3  3. Irrigate your gums daily.