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If fresh seawater is readily available, the periwinkles are first graded if possible, using a machine custom built for the purpose. The method used for grading differs, but two proven methods include a Trommel screen with horizontal bars instead of a mesh, and a circle-throw vibrating machine also using bars. The price to purchase a complete ...
Skipjack under sail. The skipjack is a traditional fishing boat used on the Chesapeake Bay for oyster dredging.It is a sailboat which succeeded the bugeye as the chief oystering boat on the bay, and it remains in service due to laws restricting the use of powerboats in the Maryland state oyster fishery.
A Scantron 888P machine, used for testing in schools. Scantron Corporation is an American company based in Eagan, Minnesota.Scantron provides assessment solutions and technology services for business, education, certification, and government clients.
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A machine was developed that could economically implement an Automated Profile Road Building Method and would be known as the Autograde. This machine was known as either a “trimmer-spreader” or a fine-grader. It could trim or cut off high spots of a road bed and then spread the soil across the entire width of the road profile.
A Minnesota couple has reportedly been sentenced to four years after they locked their children in cages for "their safety." Benjamin and Christina Cotton from Red Wing, were sentenced by a ...
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Optical sorting (sometimes called digital sorting) is the automated process of sorting solid products using cameras and/or lasers.. Depending on the types of sensors used and the software-driven intelligence of the image processing system, optical sorters can recognize an object's color, size, shape, structural properties and chemical composition. [1]