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The Three Rs (3Rs) are guiding principles for more ethical use of animals in product testing and scientific research. They were first described by W. M. S. Russell and R. L. Burch in 1959. [ 1 ] The 3Rs are:
The skills themselves are alluded to in St. Augustine's Confessions: Latin: ...legere et scribere et numerare discitur 'learning to read, and write, and do arithmetic'. [3]
In Hindi, a lakh is called लाख lākh and a crore is called करोड karoḍ. A hundred crore is called अरब arab; In Kannada, a lakh is called ಲಕ್ಷ lakṣha and a crore is called ಕೋಟಿ kōṭi; In Khasi, a lakh is called lak and a crore is called klur or krur. A billion is called arab and hundred billion is called ...
Guiding principles for more ethical use of animals in testing are the Three Rs (3Rs) first described by Russell and Burch in 1959. [6] These principles are now followed in many testing establishments worldwide. Replacement refers to the preferred use of non-animal methods over animal methods whenever it is possible to achieve the same ...
1973 Indian proof set of coins. Coins of the Indian rupee (₹) were first minted in 1950. [1] New coins have been produced annually since then and they make up a valuable aspect of the Indian currency system.
The National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs, pronounced as "N C 3 Rs") is a British organization with the goal of reducing the number of animals used in scientific research.
The 3Rs of Junior Forest Wardens (a Canadian outdoor-education program for families): Responsibility to yourself, Responsibility to others, Responsibility to your community and the planet; Return, Reclamation, Rehabilitation, rebel group in Central African Republic; Relief, recovery, and reform, categories of program under the New Deal
The waste hierarchy refers to the "3 Rs" Reduce, Reuse and Recycle, which classifies waste management strategies according to their desirability in terms of waste minimisation.