particles

Hi, I live in Scotland in an area that is not (currently) a smoke control area, and burn house coal and seasoned wood (not kiln dried, simply dried in the wood store next to the house) in our open fire, i.e. a traditional fireplace. I read (here https://www.bbc.co.uk/news/uk-51581817) that...

Been doing minor work to my Central heating system consisting of replacing one single radiator for a double one (same width and height) along with refitting a another poorly fitted radiator which brackets were loose and wonky. When I drained the radiators, small black particles came out what...