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.
There is also the itch factor -- chlorine can cause certain skin types to become itchy and irritated. The hypochlorite ion causes many fabrics to fade quickly when not rinsed off immediately after exiting the pool. This is why your swimsuit looks faded and worn so early in the summer.