Calibrating
I recieved an urgent phonecall from Mark tonight, I am subcontracted to him assisting with fow monitoring our sewer and Stormwater network. His Gas Detector needed Calibrating, so I raced it into work and Calibrated it making safe again for another 180 days
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- 3
- 0
- Samsung SM-G390Y
- 1/100
- f/1.9
- 4mm
- 80
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