Credits
Image credits
Photographs used across this site are via Wikimedia Commons, cropped and/or scaled. Each is credited below with its author and license.
- Preemraff refineryby W.carter · CC BY-SA 4.0
- Anacortes Refineryby Walter Siegmund · CC BY-SA 3.0
- Refinery maintenanceby Okane nyatoh daniel · CC BY-SA 4.0
- Refinery shutdown workby Okane nyatoh daniel · CC BY-SA 4.0
- Maintenance workby Okane nyatoh daniel · CC BY-SA 4.0
- Control room operatorsby Isaacagyeimensah · CC BY-SA 4.0
- Ultrasonic pipeline testby Davidmack · Public domain
- Crude oil tank farmby Tony Webster · CC BY 2.0
