Isothermal annealing is sometimes used to help strengthen a steel spring washer. Shot peening can be used for washers carrying dynamic loads to enhance fatigue life by creating compressed dimples in the surface of the washer.
Medical writer and editor. Yes, in your first and second trimesters. Although check with your doctor if you've had medical problems during your pregnancy, such as: You may find that your second trimester â weeks 14 to 27 â is the easiest time to travel.Morning sickness is behind you and your energy levels are higher.lying during pregnancy can slightly increase your risk of thrombosis (blood clots) and varicose veins. Wearing support stockings (not tights, which increase your risk of developing thrush), when you fly will help keep your circulation flowing and relieve swollen veins.
Here are ways to help avoid diarrhea during pregnancy while traveling: 1  Avoid tap water in high-risk areas â Donât drink it, brush your teeth with it or use ice cubes made from it. 2  Stay away from street vendors. 3  Avoid fruits that canât be peeled or that you didnât peel yourself.  Avoid areas with inadequate sanitation.