The circular pattern on the cone of this turbine makes it appear as if one can look through it

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Size: 3675px × 3029px 30.6cm × 25.2cm - 305dpi
Location: na, South Africa
Photo credit: © Sonja Grunbauer / AfriPics
License: Licensed
Model Released: No

Keywords: fan, force, gray, grey, marking, metal, motor, pattern, power, african