Random triples
| Subject | Object |
|---|---|
| gptkb:LNER_Class_W1 | water-tube boiler (original) |
| gptkb:Rocket_(locomotive) | multi-tube boiler |
| gptkb:Seguin_locomotive | tubular boiler |
| gptkb:Ultimo_Power_Station | coal-fired boiler |
| gptkb:Subcritical_Power_Plant | drum-type boiler |
| gptkb:LNER_Class_W1 | conventional fire-tube boiler (rebuilt) |