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| Manifold |
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A fluid conductor which provides multiple connection ports.
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| Manual control |
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A control actuated by the operator, regardless of the means of actuation. Example: Lever or foot pedal control for directional valves.
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| Manual override |
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A means of manually actuating an automatically-controlled device.
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| Marine borers |
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Mollusks and crustaceans which attack submerged wood in salt and brackish water.
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| Material balance |
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A relationship, often portrayed in a diagram, that shows how all components of a raw material are allocated and used.
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| Mechanical control |
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Any control actuated by linkages, gears, screws, cams or other mechanical elements.
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| Megawatt (MW) |
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A measure of electrical power equal to one million watts (1,000 kW).
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| Meter |
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To regulate the amount or rate of fluid flow.
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| Meter-in |
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To regulate the amount of fluid flow into an actuator or system.
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| Meter-out |
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To regulate the flow of the discharge fluid from an actuator or system.
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| Metre (m) |
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The metric basic unit for linear measurement equal to 39.37 inches (1.094 yards).
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| Micron |
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One-millionth of a metre or approximately .00004 inch.
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| Micron rating |
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The size of the particles a filter will remove.
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| Mile (mi) |
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A unit of linear measurement on land, equivalent to 5,280 feet (1,760 yd) or 1.6 kilometres.
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| Mill residue |
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Wood and bark residues produced in processing logs into lumber, plywood, and paper.
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| Mill/kWh |
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A common method of pricing electricity in the U.S. Tenths of a U.S. cent per kilowatt hour.
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| Millimetre (mm) |
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A unit of length equal to one thousandth of a metre (0.0394 inches).
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| MMBtu |
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One million British thermal units.
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| Modulate |
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To control within an infinite range between 0 percent and 100 percent as opposed to on/off control.
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| Monitor |
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Screen on which an electronics systems display information.
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| Motor |
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A device which converts electricity or hydraulic fluid power into mechanical force and motion. It usually provides rotary mechanical motion.
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| Motor control center (MCC) |
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Central location for circuit breakers for mill equipment.
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| Municipal Wastes |
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Residential, commercial, and institutional post-consumer wastes contain a significant proportion of plant-derived organic material that constitutes a renewable energy resource. Waste paper, cardboard, construction and demolition wood waste, and yard wastes are examples of biomass resources in municipal wastes.
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