Random triples
| Subject | Object |
|---|---|
| gptkb:Chernobyl_nuclear_disaster | large amounts of radioactive isotopes |
| gptkb:Chernobyl_nuclear_accident | radioactive isotopes |
| gptkb:Chernobyl_nuclear_accident_1986 | large amounts of radioactive isotopes |
| gptkb:Three_Mile_Island_accident | yes |