Attribution
Image credits
Photography on this website is used under Creative Commons licences. Original works and their authors are listed below.
| Title | Author | Licence | Used as |
|---|---|---|---|
| Wesseling Refinery at Dusk, March 2018 | Martin Falbisoner | CC BY-SA 4.0 | hero-refinery.jpg |
| Two engineers working inside oil and gas refinery | EU-Ukraine cooperation | CC BY-SA 2.0 | engineers.jpg |
| Ball bearing | Solaris2006 | CC BY-SA 3.0 | bearings.jpg |
| Weld test. | Old Rollei | CC BY 2.0 | cat-welding.jpg |
| Devereux Lagoon (2013) 15 | Nandaro | CC BY-SA 3.0 | offshore.jpg |
| 'Foggy Bottom Pump Jack' – Duncan, Oklahoma | duggar11 | CC BY 2.0 | pumpjack.jpg |
| Moscow oil refinery (52205614839) | via Wikimedia Commons (Flickr upload) | CC BY 2.0 | refinery-sunset.jpg |
| Blow Out Preventer | eschipul | CC BY-SA 2.0 | bop.jpg |
| Air Sampling Equipment (8744527856) | via Wikimedia Commons | Public domain | crew.jpg |
| Star Wars | Eneas | CC BY 2.0 | sparks.jpg |
| Gears gears cogs bits n pieces | Elsie esq. | CC BY 2.0 | gears.jpg |
| Wedge Locking Washer | Doctorfastener | CC BY-SA 4.0 | special/nord-lock-washer.jpg |
| Spiral Rings | Juergen Wenzel | Public domain | special/retainer-rings.jpg |
Some images have been cropped or colour-adjusted for layout. Where a licence is CC BY-SA, the adapted image is available under the same licence.