Steel cans are made of tinplate (tin-coated steel) or of tin-free steel. Today's tinplate is mild steel electroplated with tin. If they are cans made out of tinplate, they are called biscuit tins. It also houses industries like steel, tinplate, cement and flour mills. They were supplied as accessories for Marx' large tinplate gas station or rail station toys. Klann develops and produces promotional and sales packaging from printed tinplate. Its tubular rail is a standard of the tinplate era. Ornamental stamped metal made from tinplate was an affordable alternative to plasterwork. Later this began to be rerolled and tinned to make tinplate. Marx continued to make tinplate train sets until 1972. The ironworks evolved into a tinplate works that had failed by about 1900. By 1865 he was a wholesaler specialising in zinc, iron, tinplate and locksmithery. Klann is a manufacturer of tinplate packaging. As well as copper and iron, Glamorgan became an important centre for the tinplate industry. Historically, Monmouth also had iron and tinplate works, together with paper and corn mills.