| Share | Phrase |
|---|
| 21.62% | refractory [physical/chemical] material |
| 9.10% | refractory [physical/chemical] oxide |
| 8.64% | refractory [physical/chemical] block |
| 7.79% | refractory [physical/chemical] support |
| 6.78% | refractory [physical/chemical] lining |
| 5.40% | refractory [physical/chemical] wall |
| 5.35% | refractory [physical/chemical] panel |
| 4.99% | refractory [physical/chemical] furnace |
| 3.70% | refractory [physical/chemical] grate |
| 3.57% | refractory [physical/chemical] fiber |
| 3.42% | refractory [physical/chemical] chamber |
| 3.34% | refractory [physical/chemical] container |
| 2.90% | refractory [physical/chemical] layer |
| 2.88% | refractory [physical/chemical] tile |
| 2.46% | refractory [physical/chemical] throat |
| 2.34% | refractory [physical/chemical] port |
| 1.74% | refractory [physical/chemical] liner |
| 1.60% | refractory [physical/chemical] metal |
| 1.52% | refractory [physical/chemical] ring |
| 0.77% | chamber [attribute] refractory |