en offshore oil platform (n)
― IsA ⟶
Weight: 1.0
en offshore drilling rig (n) Source: OpenCyc 2012
en gas drilling platform (n)
― IsA ⟶
Weight: 1.0
en offshore drilling rig (n) Source: OpenCyc 2012
en offshore drilling rig (n)
― IsA ⟶
Weight: 1.0
en drilling rig (n) Source: OpenCyc 2012
en offshore drilling rig (n)
― IsA ⟶
Weight: 1.0
en tangible thing (n) Source: OpenCyc 2012