Pivot Tapestries
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Description: A technical patent drawing in white line art on a black background. It displays two views of a welding helmet with its components labeled, including "HELMET SHELL", "ADF MODULE", "VIEWING LENS", "HEAD STRAP", and "COMFORT PAD". Text at the bottom reads "WELDING HELMET WITH AUTOMATIC DARKENING FILTER", "INVENTOR: JOHN DOE", and "DATE: FEB. 12, 2019".
