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.
When you have an open wound, it is not advisable to swim in any body of water. Germs could infect your wound and you may expose other swimmers to germs and exudate coming from your wound. A recreational water illness, or RWI, is caused by coming into contact with germs in a body of water.