pyrometallurgy - Robuta Search

https://www.xps.ca/technologies-and-services/pyrometallurgy

https://tu-freiberg.de/en/fakult5/inemet/working-groups-and-research/pyrometallurgy

https://wordnik.com/words/pyrometallurgy

pyrometallurgy: An ore-refining process, such as smelting, dependent on the action of heat.