Three Rs
Encyclopedia
Three Rs can refer to:
- The three RsThe three RsThe three Rs are the foundations of a basic skills-orientated education program within schools: Reading, wRiting and aRithmetic.The phrase is attributed to a toast given by Sir William Curtis around 1825...
, a widely-used abbreviation for the basic elements of a primary school curriculum: reading, ’riting (writing), and ’rithmetic (arithmetic)
- In animal testingAnimal testingAnimal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals in experiments. Worldwide it is estimated that the number of vertebrate animals—from zebrafish to non-human primates—ranges from the tens of millions to more than 100 million...
and alternatives to animal testingAlternatives to animal testingMany scientists and governments say that animal testing should cause as little suffering as possible, and some argue that alternatives to animal testing need to be developed...
, an abbreviation for reduce, replace, refine - The waste hierarchyWaste hierarchyThe waste hierarchy refers to the 3 Rs of reduce, reuse, recycle, or and [ which classify waste management strategies according to their desirability. The Rs are meant to be a hierarchy, in order of importance...
, summed up in the slogan reduce, reuse, recycle - reduceWaste minimisationWaste minimization is the process and the policy of reducing the amount of waste produced by a person or a society.Waste minimization involves efforts to minimize resource and energy use during manufacture. For the same commercial output, usually the fewer materials are used, the less waste is...
consumptionConsumerismConsumerism is a social and economic order that is based on the systematic creation and fostering of a desire to purchase goods and services in ever greater amounts. The term is often associated with criticisms of consumption starting with Thorstein Veblen...
, reuseReuseTo reuse is to use an item more than once. This includes conventional reuse where the item is used again for the same function, and new-life reuse where it is used for a different function. In contrast, recycling is the breaking down of the used item into raw materials which are used to make new...
manufactured products, and recycle raw materials - Franklin Delano Roosevelt proposed a plan to bring about the recovery of the United States from the effects of the Great Depression: Relief, Recovery, and Reform
- Three Rivers StadiumThree Rivers StadiumThree Rivers Stadium was a multi-purpose stadium located in Pittsburgh, Pennsylvania from 1970 to 2000. It was home to the Pittsburgh Pirates and the Pittsburgh Steelers, the city's Major League Baseball franchise and National Football League franchise respectively.Built as a replacement to...
, a multipurpose sports stadium and event facility located in Pittsburgh, Pennsylvania, USA was demolished in 2001 - 3R a business abbreviation that is used to determine the three primary reasons that a business might purchase a product or service in order to satisfy demands such as; Revenue, cost Reduction, Regulations
- Religion, Restitution, and Revokation - A short-lived, post--modernist code of ethics in France in the early 1950s
- Reason, Respect, and Responsibility - A key tenet of the Hartland Consolidated Schools in Hartland, MI
- Respect, Reputation, and Road Dogs - An important concept made famous by the Conkloni Brothers of Rome.
- RonaldoRonaldoRonaldo Luís Nazário de Lima , commonly known as Ronaldo, is a retired Brazilian footballer who last played for Corinthians. Ronaldo is widely considered to be the greatest 'pure' striker in the history of the modern game, and by some accounts, in the history of football. Ronaldo was one of the...
, RivaldoRivaldoRivaldo Vítor Borba Ferreira , commonly known simply as Rivaldo , is a Brazilian professional footballer who plays for São Paulo, on loan from Mogi Mirim, as an attacking midfielder and sometimes as a supporting striker.He most notably played five years with Spanish club FC Barcelona, with whom he...
and RonaldinhoRonaldinhoRonaldo de Assis Moreira , commonly known as Ronaldinho or Ronaldinho Gaúcho, is a Brazilian footballer who plays for Flamengo and the Brazilian national team as an attacking midfielder or forward. He is a two-time winner of the FIFA World Player of the Year, awarded to the best player over the year...
- Strikeforce of BrazilBrazilBrazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...
's 2002 FIFA World Cup2002 FIFA World CupThe 2002 FIFA World Cup was the 17th staging of the FIFA World Cup, held in South Korea and Japan from 31 May to 30 June. It was also the first World Cup held in Asia, and the last in which the golden goal rule was implemented. Brazil won the tournament for a record fifth time, beating Germany 2–0...
winning footballFootball (soccer)Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball...
team. - Respect, Responsibility, Readiness - The behavoral system for PBIS in the 2011-2012 school year at Hutchison Farm Elementary, in Loudon County, Virginia