https://w3id.org/framester/conceptnet5/data/en/rotary_engine

<https://w3id.org/framester/conceptnet5/data/en/jet_engine>
<https://w3id.org/framester/conceptnet5/data/en/gas_turbine>
<https://w3id.org/framester/conceptnet5/data/en/piston_engine>

risorse dalla linked data cloud