Examlex
The spot-weld symbol is centered on the reference line when there is no arrow side or other side significance.
Mask
A covering for the face or part of it, typically used for protection, disguise, performance, or entertainment.
Face Shield
A protective device worn on the head with a transparent visor covering the face to shield from fluids, debris, or infectious materials.
Reversible Figures
Visual illusions or ambiguous images that can be perceived in more than one way, demonstrating the brain's ability to switch between different interpretations of a visual stimulus.
Figure-Ground Organization
A principle of perception that involves distinguishing objects (figures) from their surrounding area (ground).
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