3R

3R - brief summary

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3R or three Rs may refer to:
The three Rs, a widely used abbreviation for the basic elements of a primary school curriculum: reading, 'riting (writing), and 'rithmetic (arithmetic)
The three Rs, a widely used abbreviation for the waste management hierarchy: reduce, reuse, and recycle
The three Rs, an abbreviation for consumer remedies under Australian Consumer Law when consumer guarantees of goods are not satisfied: refund, replace, and repair
The Three Rs (animals), principles for ethical use of animals in testing: replacement, reduction, refinement
3R (optical regenerator), an optical communications repeater that performs reamplification, reshaping, and retiming
Intelsat 3R, a former communications satellite
Yaesu VX-3R, an ultra-compact dual-band amateur radio trans.

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