| Rating | Solver | Clue |
|---|---|---|
| PETROLEUM | Crude oil | |
| DUO | Couple pull relic from crude oil spill | |
| FAINTS | ...h is much more abundant, the weak faints. This crude spirit is much impregnated with fusel oil. ... | |
| NAPHTHA | ... Boghead coal (obtained at Boghead, Scotland); crude naphtha, or light oil, from coal tar; wood naphtha, from wood, etc. ... |