| Answer | Crossword Clue |
|---|---|
| strongrooms | STRONGROOM, a room for the keeping of valuables etc |
| strongroom | a room for the keeping of valuables etc |
| humidifier | A device for keeping the atmosphere moist in a room |
| humidifiers | A device for keeping the atmosphere moist in a room |
| bookkeeper | a person responsible for keeping the accounts of a trader, public office, etc |
| bookkeepers | BOOKKEEPER, a person responsible for keeping the accounts of a trader, public office, etc |
| quipus | device consisting of a cord with knotted strings of various colors attached, used by the ancient Peruvians for recording events, keeping accounts, etc. |
| quipu | device consisting of a cord with knotted strings of various colors attached, used by the ancient Peruvians for recording events, keeping accounts, etc. |
