A technician makes notes on a test of a fan in a window at the Underwriters test Lab Northbrook (Chicago) IL.
- Filename
- USA_SCI_UWRL_09_xs.jpg
- Copyright
- ©Peter Menzel, www.menzelphoto.com
- Image Size
- 1024x686 / 284.1KB
- Contained in galleries
- Failure Testing
