en processing refined oil (n)
― IsA ⟶
Weight: 1.0
en chemical processing (n) Source: OpenCyc 2012
en processing refined oil (n)
― IsA ⟶
Weight: 1.0
en manufacturing (n) Source: OpenCyc 2012
en processing refined oil (n)
― IsA ⟶
Weight: 1.0
en human activity (n) Source: OpenCyc 2012