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| The use of environmental conditions: |
| Ambient temperature: not higher than +40 °C, not less than -15°C |
| Altitude: not exceed 1000m |
| Relative humidity: daily average of not more than 95%, month average of not more than 90% |
| Earthquake intensity: not more than ten |
| No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration |