Also known as: fr.
FR has various meanings in the Technology category. Discover the full forms, definitions, and usage contexts of FR in Technology.
The range of concentrations between the lower and upper flammability limits.
TechnologyA flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°.Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof.
TechnologyA chemical used in farming to kill funguses which inhibit plant growth.
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