Covered with clear plastic coverings which shall be changed between each client. (ak) All piercing needles, tapers, jewelry, and other equipment that penetrates the skin used in the body piercing process shall be sterilized as described in He-P 1103.02 (aa). (al) Jewelry inserted into a new piercing shall be composed of: (1) Gold; (2) Surgical stainless steel; (3) Platinum; (4)