There are also iron foundries and machine factories.
The city has lumber and fishing interests (perch, whitefish, sturgeon, pickerel, bass, &c. being caught in Saginaw Bay), large machine shops and foundries (value of products in 1905, $ 1, 743, 1 55, or 31% of the total of the city's factory products), and various manufactures, including ships (wooden and steel), wooden ware, woodpipe, veneer, railroad machinery, cement, alkali and chicory.
The city has railway shops and foundries, and manufactures furniture, carriages, tile, cigars and gas engines.
The type is often used in foundries, or to serve heavy hammers in a smithy, whence the name.
There are blast furnaces, iron foundries, engineering works, iron ship-building yards, extensive saw-mills, flour-mills and a manufactory of "blue and white" pottery.