| Answer | Crossword Clue |
|---|---|
| nocuous | likely to cause damage or injury; harmful; noxious |
| detriment | cause of injury or damage a detriment to progress |
| foolproof | infallible; guaranteed not to cause damage or injury if misused |
| scrapes | Rub or cause to rub by accident against a rough or hard surface, causing damage or injury |
| scraped | Rub or cause to rub by accident against a rough or hard surface, causing damage or injury |
| injurious | Causing or likely to cause damage or harm |
