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Yellow-black color pattern target on a dummy for car crash test Source:... | Download Scientific Diagram
![TIL, the round symbol with black corners coming from the center of it that are used as fiducial markers in crash test dummies and crash test cars is called the Secchi disk. TIL, the round symbol with black corners coming from the center of it that are used as fiducial markers in crash test dummies and crash test cars is called the Secchi disk.](https://external-preview.redd.it/B7wJxB712RkUgQz0HLeLX896RXSMlC-Yx_cXizdamtk.jpg?auto=webp&s=237e9a61ea2bfc6957dcddb4afc0eb85c5ff8394)
TIL, the round symbol with black corners coming from the center of it that are used as fiducial markers in crash test dummies and crash test cars is called the Secchi disk.
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