APR has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of APR in Scientific & Educational.
A final approach is the last leg in an aircraft's approach to landing, when the aircraft is lined up with the runway and descending for landing.
Scientific & EducationalA respirator with an air purifying filter, cartridge, or canister that removes specific air contaminants by passing ambient air through the air purifying element.
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