Legionnaires' disease Although the risk of Legionnaires' disease being spread by large-scale water systems cannot be eliminated, it can be greatly reduced by writing and enforcing a highly detailed, systematic water safety plan appropriate for the specific facility involved (office building, hospital, hotel, spa, cruise ship, etc.) Some of the elements that such a plan may include are: An effective water safety plan also covers such matters as training, record-keeping, communication among staff, contingency plans, and management responsibilities. The format and content of the plan may be prescribed by public health laws or regulations. Effective antibiotics include most macrolides, tetracyclines, ketolides, and
Water-dropper (calligraphy) Water-dropper (calligraphy) A is a small device used in East Asian calligraphy as a container designed to hold a small amount of water. In order to make ink a few drops of water are dropped onto the surface of an inkstone. By grinding an inkstick into this water on the inkstone, particles come off and mix with the water, forming ink. Water-droppers may be made of copper, jade or other stone, or ceramic. A water-dropper has two small holes for water and air, and is designed so that only a few drops of water can fall at one time. There