| 1. | Vista 2000 manufactures key-making machines and radon and other gas detectors.
|
| 2. | Another new product to be unveiled is the Draeger Miniwarn, a portable gas detector.
|
| 3. | Metro also is installing poison-gas detectors at 10 underground stations.
|
| 4. | The canary in British pits was replaced in 1986 by the electronic gas detector.
|
| 5. | They monitor it with surveillance cameras and a poison-gas detector.
|
| 6. | Typical fast neutron detectors are liquid scintillators, 4-He based noble gas detectors and plastic detectors.
|
| 7. | Fixed type gas detectors may be used for detection of one or more gas types.
|
| 8. | Gas detectors can be used to detect combustible, flammable and toxic gases, and oxygen depletion.
|
| 9. | We had a hand-held gas detector that was used to periodically check the well and area,
|
| 10. | GEMs were invented in 1997 in the Gas Detector Development Group at CERN by physicist Fabio Sauli.
|
मोबाइल