| Answer | Crossword Clue |
|---|---|
| sniffer | device or mechanism for detecting something |
| sniffers | A device for detecting an invisible and dangerous substance, such as gas or radiation |
| pinger | a device for producing pulses of sound (as for marking an underwater site or detecting an underwater object) |
| pingers | a device for producing pulses of sound (as for marking an underwater site or detecting an underwater object) |
| tumblers | device or mechanism for tumbling (as a revolving cage in which clothes are dried) |
| silencers | A device for reducing the noise emitted by a gun or other loud mechanism |
| silencer | A device for reducing the noise emitted by a gun or other loud mechanism |
| jack | usually portable mechanism or device for exerting pressure or lifting a heavy body a short distance |
