Random triples
| Subject | Object |
|---|---|
| gptkb:Lister_Petter_PH_Series | overhead valve (OHV) |
| gptkb:Hemispherical_combustion_chamber_engine | crossflow |
| gptkb:SOHC | usually 2 or 3 valves per cylinder |
| Subject | Object |
|---|---|
| gptkb:Lister_Petter_PH_Series | overhead valve (OHV) |
| gptkb:Hemispherical_combustion_chamber_engine | crossflow |
| gptkb:SOHC | usually 2 or 3 valves per cylinder |