How to Rebuild a Kohler K321 Engine. The Kohler K321 is a single cylinder, four cycle, air cooled engine. Rebuilding an engine like the Kohler K321 is a way to ensure that it operates at peak performance, and that the engine has a long life....
Exercise cannot tighten your loose skin, but you can minimize the amount of loose skin you have. If you have excess skin, patience is key as you wait for your skin to adjust to your new size.
Stretch properly. Stretching at the start and end of your workout will also help to get the lactic acid out of your muscles. Waiting hours after a strenuous workout before stretching is not the best. Stretch soon after activity that may cause soreness to prevent becoming stiff.