| http://www.w3.org/ns/prov#value | - In the 15th century, mechanized racks designed to stretch cloth and leather were put to use as instruments of torture, and ???rack??? as a verb developed the meaning of ???to inflict extreme pain; to be tormented by pain or disease.???So if there is a distinction to be made between the modern uses of ???wrack??? and ???rack??? in such phrases as ???nerve-wracking??? (m
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