Er a well I don't know, I feel that th there used to be something in that, that  used to burn it up now what they call their top site and when they burned it they took all the acid out of it, and there used to be all yellow stuff come out the chimney and that, when they finished burn that was always red and the Germans used to come after that before the war, Second World War, they used to come after that and they used to reckon they make paintwork but now you done something else different with it and they use I tell you we used to give it the name of green oar or parites 