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.
A deload week is a âtake it easyâ week. Itâs a break from training hard and training often, and scheduling a deload week is often how hard-charging athletes and weight lifters (a notorious bunch who never want to take a break) force themselves to recover from their pursuits.