Can Earthbenders bend metal?

— Guru Pathik explaining metal's relation to earth to Avatar Aang. Toph used metalbending to manipulate the plating on a Fire Nation cruiser. Metalbending is a specialized sub-skill of earthbending that allows an earthbender to ferrokinetically bend processed metal in a similar fashion to bending regular earth. read more

As far as we know, Toph was the first and only earthbender to achieve metal bending. read more

Remote earthbending: If an earthbender is suspended from the ground, but is aware that there is earth somewhere near, the earthbender can focus his energies and bend that earth out of his physical reach out of sheer concentration. read more

They can only bend the tiny impurities inside metal which are earth. Hiroshi Sato created the machines out of metal with absolutely no earth in them. read more