| Answer | Crossword Clue |
|---|---|
| recuperator | an arrangement by which something lost is regained, such as the heat of waste gases in a furnace |
| Answer | Crossword Clue |
|---|---|
| recuperator | an arrangement by which something lost is regained, such as the heat of waste gases in a furnace |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.