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100% needed
| Highscores (90 registered players) | ||||
|---|---|---|---|---|
| Member | Score | Time | Date | |
| 1 | mn17 | 100% | 0:12.0 min. | 23 Jun, '19 |
| 2 | W.dimola | 100% | 0:12.6 min. | 16 May, '21 |
| 3 | Arturo | 100% | 0:15.2 min. | 1 Mar, '12 |
| 4 | András | 100% | 0:15.5 min. | 18 Nov, '19 |
| 5 | Cris51 | 100% | 0:16.5 min. | 24 Sep, '08 |
| 6 | Akitaovtjarka | 100% | 0:16.8 min. | 26 Oct, '15 |
| 7 | djskilled 3 | 100% | 0:16.8 min. | 19 Jul, '15 |
| 8 | joc3942 | 100% | 0:17.2 min. | 22 Jun, '19 |
| 9 | zoel | 100% | 0:17.9 min. | 3 Mar, '12 |
| 10 | Spasov BUL | 100% | 0:18.7 min. | 15 May, '21 |
| 11 | quems | 100% | 0:18.8 min. | 1 Nov, '09 |
| 12 | Zoulch | 100% | 0:18.9 min. | 16 Mar, '09 |
| 13 | nfinit | 100% | 0:19.1 min. | 7 Feb, '12 |
| 14 | Pat | 100% | 0:19.1 min. | 17 Nov, '08 |
| 15 | itsasbeltza | 100% | 0:19.6 min. | 9 Apr, '21 |
This is an online quiz called Oil refinery
There is a printable worksheet available for download here so you can take the quiz with pen and paper.
A simple schematic of an oil fractionation operation.
Image by Theresa knot in the Wikimedia Commons
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