People who make things out of metal by heating it and shaping it.
Smits are skilled workers who make useful things out of metal.
Examples:
The smits made a beautiful gate for the garden.
My dad is a smits and he makes horseshoes.
The smits use fire to make the metal soft.
The smits in the olden days made swords and armor.
The smits can make anything out of metal.
I want to be a smits when I grow up and make cool things out of metal.