wood
Wood ash contain calcium carbonate, potassium compounds, phosphates, other metal oxides.
Ash is made from pulverized rock and glass created by volcanic eruptions.
wood
You can burn it, but it cannot be re-done. You can't make ash into wood.
Ash wood is natural and comes from the Ash Tree (Fraxinus).
Yes it is.
Maple is stronger than ash. Ash is still a very durable floor.
yes
ash comes from the middle of the earth. that is why it's called ash it gets burnt a lot in the core of the earth. if you burn wood you get ash
wood
If it's solid ash wood, then it is pretty good and nice!
The amount of ash produced during combustion relative to the amount of fuel fed into the wood pellet stove. Ash content is one indicator of quality for wood pellet fuel. Ash content for wood pellets should be between one and three percent. 

yes it is sustainable because when you burn the wood it produces oxygen, and we breath in oxygen.
type of wood used: from ash tree.
It is made from the wood of the ash tree.
Wood ash contain calcium carbonate, potassium compounds, phosphates, other metal oxides.