Corrugated fiberboard is a paper-based material consisting of a fluted corrugated sheet and one or two flat linerboards. It is made on flute lamination machines or corrugators and is used in the manufacture of shipping containers and corrugated boxes.
Gravely Lawn Tractor History. The Gravely Motor Plow Company was founded in 1916 in Dunbar, West Virginia building a successful line of two-wheel walking tractors. The company later moved to Charleston, North Carolina and, in 1964, Gravely entered the four-wheel garden tractor market.
I know because I have been to the plant in Nashville, Arkansas. For many years it was Poulan. Now it is Husqvarna. Just like in the mower line they probably have lower price/quality units as well as the good stuff for more money.