Because in furnace it was there one I did that in issue but I might be a bad idea maybe as you say your way as well when you get rid of what I think in the Chalk boxes in there in the middle section 

Because in furnace it was there one I did that in issue but I might be a bad idea maybe as you say your way as well when you get rid of what I think in the Chalk boxes in there in the middle section  - is backordered and will ship as soon as it is back in stock.