Him to oneself enough commented, in various sense, the famous chimney of the foundry of Lubumbashi! In the Katanga, one repeats you proudly that with his/her/its 150 meters, it is the highest chimney of Africa. It is even one of the highest chimney of the world. She/it makes a few, for the whole region, face of beacon... and function of barometer. A glance in his/her/its direction either reassures worried. All goes well: "she/it" smokes! Thanks to her, one knows in a way of where comes wind. For many, it is more that a symbol, it is a guarantee!

But Lubumbashi, it is also the epic of 1911, therefore the past. Here, as at the "eaters of copper", fire pulls from ore the water of the copper, "even has mukuba", that streams and spark in the ovens. The extracts of ore, coming mainly from Kipushi, are melted in the high furnaces of the type water-jacket (to partitions cooled by a current of water) and give the "matte", a mixture of sulphides of copper and other metals, that it is necessary to convert again in raw copper by insufflation of air. Finally the raw copper, said copper blister, is flowed in ingots that title 98,8% and is exported for refinement. This production represents 25% of the copper produces by the Mining union of the High Katanga.