| The building at Roebuck road, Hainault, Essex: |
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The Board production:
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 |
 |
 |
 |
 |
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| DSO 400 Calibration station: | DSO 4060 Calibration station: |
 |
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| Quality Check room: | |
 |
 |
| The building at Roebuck road, Hainault, Essex: |
|
|
|
The Board production:
|
|
|
|
|
|
|
|
| DSO 400 Calibration station: | DSO 4060 Calibration station: |
|
|
| Quality Check room: | |
|
|
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