Créditos de imagens
Algumas fotos do site são de licença livre. Autores e licenças:
| Imagem | Autor | Licença |
|---|---|---|
| Oil Platform Crew Transfer.jpg | GuavaTrain | CC0 |
| Oil platform P-51 (Brazil).jpg | Divulgação Petrobras / ABr | CC BY 3.0 br |
| Irving Oil Refinery - Saint John, NB.jpg | Quintin Soloviev | CC BY 4.0 |
| Canadian Kraft Paper mill.jpg | Quintin Soloviev | CC BY 4.0 |
| Parque Cutia Freire Neto DJI 0048.jpg | Copel | CC0 |
| Oil platform P-51 (Brazil).jpg | Divulgação Petrobras / ABr | CC BY 3.0 br |
| Ethanol plant in Minnesota | Wikideas1 | CC0 |
| Industrial pipes factory image | autor não informado | CC0 |
| Canadian Kraft Paper mill.jpg | Quintin Soloviev | CC BY 4.0 |
| Jet Turbine Blades | ahisgett | CC BY 2.0 |
| Excavator - Open Pit Mining | ReneS | CC BY 2.0 |
| Hip joint replacement, United States, 1998 | Science Museum, London / Wellcome Collection | CC BY 4.0 |
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