Paper mill

A Pulp and paper mill in Thunder Bay, Ontario
Basement of paper mill in Sault Ste. Marie, Ontario. Pulp and paper manufacture involves a great deal of humidity, which presents a preventive maintenance and corrosion challenge.

A paper mill is a factory devoted to making paper from vegetable fibers such as wood pulp, old rags, and other ingredients. Before the invention and adoption of the Fourdrinier machine and other types of paper machine that use an endless belt, all paper in a paper mill was made by hand, one sheet at a time, by specialized laborers.

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