Cleaning with Bleach. 1  1. Make a bleach solution. Add 1 tablespoon bleach to each cup of water you have. 2  2. Soak the plastic. Submerge the plastic in the bleach and water solution for 5 to 10 minutes. 3  3. Scrub the plastic with a sponge or cloth. Remove any caked on dirt or grime by rubbing the item with a sponge.  4. Rinse and dry the plastic.
Sphygmomanometer Definition. A sphygmomanometer is a device that measures blood pressure. It is composes of an inflatable rubber cuff, which is wrapped around the arm. A measuring device indicates the cuff's pressure. A bulb inflates the cuff and a valve releases pressure. A stethoscope is used to listen to arterial blood flow sounds.
psychrometer - a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air. dry-bulb thermometer - an ordinary thermometer with a dry bulb; used to measure the air temperature. hygrometer - measuring instrument for measuring the relative humidity of the atmosphere. wet-bulb thermometer - a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity.