| http://www.w3.org/ns/prov#value | - Oil is an organic compound often derived from petroleum sources and, depending upon its grade, may have a boiling point over a wide range, e.g. 100???-200??? C.; 175???-275??? C.; and 250???-400??? C. As a result, in a recording/reproduction apparatus oil is totally unsuited as a bearing material since the oil will only partial disappear through evaporation, as the higher-boiling components of the
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