--subdivision Education (Continuing education) under classes of persons and ethnic groups; and subdivision Study and teaching (Continuing education) under subjects
Recursive functions -- See Also Machine theory Here are entered works on the abstract mathematical models of devices which operate within a consistent logical system in accordance with a given algorithm; such mathematical theory can be used as a basis for design but is not concerned with hardware.
Recycled commercial products -- See Recycled products Here are entered works on commercial products with recycled content. Works on the debris resulting from a process, such as manufacturing, that is of no further use to the system producing it are entered under Waste products.
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Recycled consumer goods -- See Recycled products Here are entered works on commercial products with recycled content. Works on the debris resulting from a process, such as manufacturing, that is of no further use to the system producing it are entered under Waste products.
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Recycled goods -- See Recycled products Here are entered works on commercial products with recycled content. Works on the debris resulting from a process, such as manufacturing, that is of no further use to the system producing it are entered under Waste products.
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Recycled manufactures -- See Recycled products Here are entered works on commercial products with recycled content. Works on the debris resulting from a process, such as manufacturing, that is of no further use to the system producing it are entered under Waste products.
Recycling (Waste) -- See Also Junk Here are entered works on secondhand, worn, or discarded articles of any kind, such as one might find stored in attics, at yard sales, garage sales, thrift shops, etc.
