| It's usually well produced |
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| It's not refined, but it could be slick (5,3) |
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| Well brought up but lacking refinement |
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| Dark liquid that could be cloudier |
The Guardian Cryptic |
14 Apr 2022 |
| Raw fuel that could make you cheeky, breaking wind |
The Telegraph Cryptic |
02 Jul 2021 |
| Unrefined petroleum |
Premier Sunday |
15 Mar 2020 |
| Helix welcomes risqu? alternative to Grease? |
Irish Times Crosaire |
11 Apr 2019 |
| From which petrol is made |
Irish Times Simplex |
03 Jul 2018 |
| OPEC commodity |
Newsday |
03 Jun 2018 |
| Unrefined fuel |
The Sun Two Speed |
14 Dec 2017 |
| Snake swallows unrefined fuel |
The Sun Two Speed |
14 Dec 2017 |
| Well disposed to taking it out of The Underground provided it gets refinement |
Irish Times Crosaire |
01 Nov 2016 |
| Well target |
LA Times Daily |
07 Feb 2015 |
| Well target |
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| Tanker's tankful |
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| "Texas tea" |
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| Black gold |
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| Well stuff |
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| Product of 18 Across |
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| Petroleum. |
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