Charcoal ovens use machine-made charcoal as fuel. Brazilian barbecues generally use household charcoal stoves, but there are also many barbecues in South America. Street kebabs also use charcoal stoves, but they are not called ovens. Charcoal ovens are used for barbecues in Brazil and South America. There is a famous Brazilian oven in Beijing, which is a kind of charcoal oven. You can consult. Jin Hansen's South American grill uses a charcoal Brazilian oven.