In the United States and elsewhere engines drawing behind them a number of ploughs, arranged in echelon and taking perhaps The sub-soil plough has the beam and body but not the mould-board of an ordinary plough.
Gripping and draining ploughs are employed in opening the grips and trenches necessary both in surface and underground drainage.
The city's principal manufactures are carriages, ploughs, brick, machinery, sanitary ware and plumber's goods.
Among the manufactures are agricultural implements (particularly ploughs), machine-shop and foundry products (particularly mining-cars and equipment), flour, cigars, cigarboxes, brooms, and bricks and tile.
The river furnishes good water-power, and among the manufactures are wood-working machinery, ploughs, steam pumps, windmills, gas engines, paper-mill machinery, cutlery, flour, ladies' shoes, cyclometers and paper; the total value of the factory product in 1905 was $4,485,224, being 60.2% more than in 1900.