notableTechnologicalDevelopment
3
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:History_of_the_coal_industry_in_the_United_Kingdom | ventilation systems |
| gptkb:History_of_the_coal_industry_in_the_United_Kingdom | mechanised mining equipment |
| gptkb:History_of_the_coal_industry_in_the_United_Kingdom | steam-powered pumps |