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from article Wool
Sheep at a research facility near Dubois, Idaho. (Photo courtesy of the Agricultural Research Service, U.S. Department of Agriculture)
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Image
from article Wool
Longitudinal section of a completely developed nonmedullated wool follicle, including sebaceous and sweat glands.
Image
from article Wool
Cuticle, cortex, and medulla of a wool fiber.
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from article Wool
Scale formation of Delaine Merino wool fibers.
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from article Wool
Fine wool staples showing distinct crimp (wavy) patterns. The length shown is the minimum for each classification.
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from article Stainless steel
Passivity phenomenon in stainless steel.
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from article Stainless steel
Graph of the effect of cold-work on tensile strength of stainless steels. 1000 psi = 6.9 MPa.
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from article Stainless steel
Three corrosion effects on stainless steel. (a) Sensitization. (b) Stress-corrosion cracking. (c) Pitting corrosion.
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from article Concrete
Workers placing and vibrating concrete on a bridge deck including epoxy-coated reinforcing steel. (Portland Cement Association)
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from article Concrete
Concrete slump test with a slump of 1.5 in., typical for pavement work. (Portland Cement Association)
