| Answer | Crossword Clue |
|---|---|
| OZONE | Layer with "holes" in it |
| OZONE | Layer with a hole in it |
| OZONE | Atmospheric layer with a "hole" in it |
| POLAR | Like holes in the ozone layer |
| SKULL | Trepanation pokes holes in it |
| SALTSHAKER | It has holes in its head |
| AWL | It may put holes in shoes |
| ULNA | Holes are drilled in it during Tommy John surgery |
