From the oven structure, there is no possibility of explosion!
The oven explosion must have been human error.
From the structure of the oven, there is no possibility of explosion. Only the flammable gas accumulated in the oven reaches a certain concentration, and the electrical structure of the oven has no explosion-proof measures.
The oven is not designed for explosion-proof, and ordinary ovens are not allowed to dry items with volatile flammable substances.
There is a type of oven with ventilation, combustible