| Answer | Crossword Clue |
|---|---|
| BORER | Drill for penetrating rock |
| TREPAN | Rock-boring drill |
| JOHNHAMMER | Rock drill, formally |
| Answer | Crossword Clue |
|---|---|
| BORER | Drill for penetrating rock |
| TREPAN | Rock-boring drill |
| JOHNHAMMER | Rock drill, formally |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.