Pears soap - Pears transparent soap is a brand of soap first produced and sold in 1789 by Andrew Pears at a factory just off Oxford Street in London, England. It was the world's first transparent soap. Under the stewardship of Thomas J. Barratt, A. & F. Pears Ltd company initiated a number of innovations..
Alcohol - Simple English Wikipedia, the free encyclopedia - Alcohol is colorless, and also transparent. Names for alcohol. There are two ways of naming alcohols: Common names, and IUPAC names. Common names often are made by taking the name of .....
Hand washing - Hand washing for hand hygiene is the act of cleansing the hands with water or another liquid, with or without the use of soap or other detergents or other substances, for the purpose of removing soil, dirt and/or microorganisms. Medical hand hygiene pertains to the hygiene practices related to the administration of medicine and medical care that prevents or minimizes disease and the spreading of disease. The main medical purpose of washing hands is to cleanse the hands of pathogens (including bacteria or viruses) and chemicals which can cause personal harm or disease. This is especially important for people who handle food or work in the medical field. The Centers for Disease Control and Prevention (CDC) has stated: 'It is well-documented that one of the most important measure for preventing the spread of pathogens is effective hand washing.' In addition to hand washing with soap and water, the use of alcohol rubs is a much more efficient and safer way to..
Referential transparency (computer science) - Referential transparency and referential opaqueness are properties of parts of computer programs. An expression is said to be referentially transparent if it can be replaced with its value without changing the program (in other words, yielding a program that has the same effects and output..