• Elements
  • Designs
  • Design topics
  • Element topics
  • Boards
https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770697
Technician at controls of "whole body counter" at EPA's National Environmental Research Center at Las Vegas, May 1972. Photographer: O'Rear, Charles. Original public domain image from Flickr