4R paper is a popular photo paper size commonly used for printing photographs. The "4R" designation comes from the traditional size of the print, which is approximately 4 inches by 6 inches (10 cm by 15 cm).

Explore this premium vector featuring the 4R eco symbols - refuse, reduce, reuse, and recycle. Download this eco-friendly graphic resource and join the movement to save the environment.

Looking for the definition of 4R? Find out what is the full meaning of 4R on Abbreviations.com! 'Forthright' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource.

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4R may refer to: 4R Family restaurants in Northern California; Galaxy 4R, a Panamsat-owned communications satellite; Ponceau 4R, a synthetic colourant; Hamburg International airline's IATA code; Nachtjagdgeschwader 2, from its historic Geschwaderkennung code with the Luftwaffe in World War II; Sri Lanka aircraft registration

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Apr 12, 2020 · I shows a 4R as 64ths, 32nds, 8ths and 16ths. It shows a 6R as 50ths on one side and 10ths on the other. Yours is a 5R if you have 10ths and 100ths on the front and 32nds and 64ths on the reverse. It is an older catalog and Starrett sells other combinations now.

Jan 28, 2024 · For managing such unwanted solid wastes, the 4R principle is introduced. The 4R Principle is the widely used principle in solid waste management and depicts reduce, reuse, recycle & recover. 1. Importance of the 4R Principle. The importance of the 4R principle are: a. To utilize the waste materials.

Jun 16, 2017 · Answer. A number of waste prevention techniques are available, and they are commonly summarized as the so-called 4Rs: reduction, reuse, recycling and recovery. Reduction, reuse and recycling are known in the industry as the 3Rs.