| Answer | Crossword Clue |
|---|---|
| airlocks | AIRLOCK, an obstructing bubble in a pipe |
| airlock | an obstructing bubble in a pipe |
| Answer | Crossword Clue |
|---|---|
| airlocks | AIRLOCK, an obstructing bubble in a pipe |
| airlock | an obstructing bubble in a pipe |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.