Here's a somewhat perplexing stove

What else is there to learn about 

W

https://youtu.be/oMLnPeiwlR8

O

https://youtu.be/tsTZ2iFRSmw

R

https://youtu.be/k70xBg8en-4

L

https://youtu.be/bt90VCye6Vk

D

https://youtu.be/lJh06MuQWxE