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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]
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
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 ...
For example, ExCo's affirmation of the 3RS in March 2014 was challenged by Wong Chun-yeung (writ filed in June 2015), [37] and the issuance of the environmental permit by the Environmental Protection Department to AAHK was also challenged by Ho Loy, supported by the Dolphin Conservation Society and People's Aviation Watch, [38] and Tam Kai-hei.
Analogous to this "Rule of thirds", (if I may be allowed so to call it) I have presumed to think that, in connecting or in breaking the various lines of a picture, it would likewise be a good rule to do it, in general, by a similar scheme of proportion; for example, in a design of landscape, to determine the sky at about two-thirds ; or else at ...
Outline version. In this example, all the arrows are folding under themselves. The universal recycling symbol (U+2672 ♲ UNIVERSAL RECYCLING SYMBOL or U+267B ♻ BLACK UNIVERSAL RECYCLING SYMBOL in Unicode) is a symbol consisting of three chasing arrows folded in a Möbius strip. It is an internationally recognized symbol for recycling.
For example, riding the bus is a sufficient mode of transportation to get to work. But there are other modes of transportation – car, taxi, bicycle, walking – that can be used. Modal scope fallacy – a degree of unwarranted necessity is placed in the conclusion.