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In order to explain what happens in a processing plant, hammers
are used for producing coal dust that will be put into the mine cars that can be
seen in this photo. In that way each child can take home its own mine car full
of hard coal. Additionally they learn about the meaning of sharing something
because they give some of the coal they found in the sandpit to the children
who did not have that luck.
© Deutsche Steinkohle AG, Ost colliery
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