Steel is the most common material for spring washers due to its ease of process and its high tensile strength. Chrome vandium alloy is a higher quality steel with a good through-hardening capability; it is used to make very thick spring washers.
How to Prevent Swimmerâs Itch. Thereâs no cure-all to eliminate swimmerâs itch. The negative symptoms are, ironically, a problem of our own immune systemâs making, and short of abstaining from swimming altogether, thereâs a risk of getting swimmerâs itch in a Northern Michigan lake.
This is a fun form of exercise. Not only will it tone up your arms, but also the whole body. In a studies, it was proven that women who went for swimming at least 3 days in a week managed to reduce flabby arms in just 9 sessions. Hence, swim swim swim.