Seller-page example photography and sharing-graphic attribution
Proven Performer | October 5, 2026

The photographs illustrate equipment categories. They are examples; they do not
identify inventory currently offered for sale by Proven Performer.

1. Thermal ionization mass spectrometer
   Author: Radiogenic
   Source: https://commons.wikimedia.org/wiki/File:Thermal_ionization_mass_spectrometer.jpg
   Author: https://commons.wikimedia.org/wiki/User:Radiogenic
   License: CC0 1.0 Universal
   https://creativecommons.org/publicdomain/zero/1.0/
   Published derivative: scientific-mass-spectrometer.webp
   Changes: proportional resize to 1600 x 1120 and WebP conversion. Page layout
   crops or fits the photo. The photo is also cropped and composited into the
   English and Spanish seller sharing graphics.

2. Kent USA KLS-1840N CNC lathe
   Author: Mike Zielinski
   Source: https://commons.wikimedia.org/wiki/File:Kent_USA_KLS-1840N_CNC_Lathe.jpg
   Author: https://commons.wikimedia.org/wiki/User:Mike_Zielinski
   License: Creative Commons Attribution-ShareAlike 4.0 International
   https://creativecommons.org/licenses/by-sa/4.0/
   Published derivative: machinery-cnc-lathe.webp
   Changes: WebP conversion at the original 876 x 657 dimensions. The page fits
   the full machine photograph. This derivative is available under CC BY-SA 4.0.

3. Haas Lathes
   Author: Visitor7
   Source: https://commons.wikimedia.org/wiki/File:Haas_Lathes.JPG
   Author: https://commons.wikimedia.org/wiki/User:Visitor7
   License: Creative Commons Attribution-ShareAlike 3.0 Unported
   https://creativecommons.org/licenses/by-sa/3.0/
   Published derivative: machinery-haas-lathes.webp
   Changes: proportional resize to 1600 x 1067 and WebP conversion. The page uses
   this photograph as a darkened CSS background. This derivative is available
   under CC BY-SA 3.0. The English and Spanish seller sharing graphics include
   a crop of this photograph (original crop: left 420, top 470, 3770 x 1775),
   resized and composited with the other example and inventory photography.
   That photographic adaptation remains available under CC BY-SA 3.0.

English sharing graphic:
/assets/seller-og/sell-surplus-inventory-og-v3.jpg
Spanish sharing graphic:
/assets/seller-og/es-sell-surplus-inventory-og-v3.jpg

The sharing graphics also use an existing approved Proven Performer electrical
inventory photograph. The Proven Performer logo identifies the publisher; the
photographers do not endorse Proven Performer. Trademark rights are unaffected
by the Creative Commons licenses for the example photography.

No source-photo retouching or equipment alteration was performed. Original
source files are retained privately; only optimized derivatives and approved
JPEG sharing graphics are published.