| Answer | Crossword Clue |
|---|---|
| OTIS | Inventor of safety device for elevators. |
| OTIS | Inventor of automatic safety device for elevators, 1854. |
| OTIS | Inventor of elevators' safety brakes. |
| OTIS | Elevator safety-device inventor. |
| ABS | Auto safety device, for short |
| playpen | a safety device for a child's play |
| playpens | PLAYPEN, a safety device for a child's play |
