A widely recognized international standard for operating salt spray (fog) apparatus , used to test the corrosion resistance of coated metals. Airmar B117 Go to product viewer dialog for this item.
Sites like Getty Images offer text-based animations and medical graphics labeled with B117 for use in documentary or news productions. Potential Technical Ambiguity b117.mp4
While "B117" is most famous as a COVID-19 variant, the alphanumeric code also appears in other technical standards and products: b117.mp4