These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Amgueddfa Cymru – Museum Wales
Printed in brown ink on cream paper. An illustrated flow diagram showing the processes of mining metal from the mine to the crushing plant, to the mill and then to the pellet plant.
