The basic components of procedure trays include, at a minimum: items for skin preparation; Items for draping; supplies to give local anesthetic; items for surgical closure. Skin preparation items would include 2x2 or 4x4 non-sterile gauze sponges or 6 cotton-tipped applicators that can be used to prepare the skin with an antiseptic solution. Usually the gauze are picked up by a sponge stick and used to paint the antiseptic on the skin.
Water Supply. The supply line to the toilet is standard 1/2-inch copper pipe. This standard is used throughout the home to supply faucets, showers and any other appliance requiring water, including the washing machine. This 1/2-inch pipe connects to the home's 3/4-inch water pipes. The water supply line does not run directly to the toilet, however.
With regard to diameter, the Code allows for two ways a ground rod can meet the requirements: (1) It can be 0.625 or larger in diameter, or (2) it must be listed and not less than Â½ inch (0.500). In order for a copper ground rod to meet the requirements of the product standard and be listed, it must also have a protective coating of 10 mils minimum of copper.