| Answer | Crossword Clue |
|---|---|
| downhole | pertaining to subterranean drilling equipment |
| spud | to set up earth-boring equipment, esp. for drilling an oil well |
| vulcanic | pertaining to a volcano (a centre of eruption of subterranean matter) |
| Answer | Crossword Clue |
|---|---|
| downhole | pertaining to subterranean drilling equipment |
| spud | to set up earth-boring equipment, esp. for drilling an oil well |
| vulcanic | pertaining to a volcano (a centre of eruption of subterranean matter) |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.