| Answer | Crossword Clue |
|---|---|
| RAYON | First man-made textile fiber |
| ARNEL | Man-made fiber |
| RAYON | Man-made fiber |
| ORLON | Man-made fiber |
| NYLON | Man-made fiber. |
| SPUTNIK | First man-made satellite |
| SPUTNIK | First man-made space satellite |
| SOVIET | Like the first man-made space satellite |
| LUNA | ... II, first man-made object to reach the moon |
