If the devices are faded, then they should be washed with hot soapy solution, and then moistened with a 20% solution of hyposulfite.
A rag dipped in hot vinegar will help get rid of stains on the dish.
If the devices are faded, then they should be washed with hot soapy solution, and then moistened with a 20% solution of hyposulfite.
A rag dipped in hot vinegar will help get rid of stains on the dish.