# Hot blast

> preheating of air blown into a blast furnace

**Wikidata**: [Q5910687](https://www.wikidata.org/wiki/Q5910687)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hot_blast)  
**Source**: https://4ort.xyz/entity/hot-blast


## References

1. Freebase Data Dumps. 2013