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from article Commutator
Commutator and brush assembly with coil connections for lap winding.
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Image
from article Commutator
Cutaway view of a direct-current motor [2250-hp (1678-kW), 300/600-rpm metal rolling mill motor], showing the commutator and the typical brush assembly. (Courtesy of General Electric)
Image
from article Electrostatic precipitator
Diagram of simple precipitator. A, corona wire; B, grounded tube.
Image
from article Electrostatic precipitator
Diagram of two-stage precipitator. A, grounded cylinders; B, corona wires; C, grounded collector plates; D, charged plates of polarity similar to B.
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from article Cofferdam
Types of cofferdams. For use on land: (a) cross-braced sheet piles; (b) cast-in-place concrete cylinder; (c) anchored sheet piles; (d) braced vertical piles with horizontal sheeting. For use in water: (e) cross-braced sheet piles; (f) earth dam; (g)…
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from article Mechanical engineering
Mechanical engineers are involved in the design and manufacture of robots as well as the use of robotics in manufacturing. (Credit: Shutterstock/Nataliya Hora)
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from article Placer mining
Image
from article Placer mining
California bucketline dredge.
Image
from article Placer mining
Aerial oblique view upvalley over the site of a placer dredging, in which successive cuts, tailing patterns, and dredge pond are shown. The dredge appears in the left foreground. (Pacific Aerial Survey, Inc.)
Image
from article Placer mining
Dragline dredge and pond. (Bucyrus-Erie Co.)
