Random triples
| Subject | Object |
|---|---|
| gptkb:High-density_polyethylene_(HDPE) | gptkb:Ziegler-Natta_catalyst |
| gptkb:High-density_polyethylene_(HDPE) | Phillips catalyst |
| Subject | Object |
|---|---|
| gptkb:High-density_polyethylene_(HDPE) | gptkb:Ziegler-Natta_catalyst |
| gptkb:High-density_polyethylene_(HDPE) | Phillips catalyst |