Hands tuning the Variable optic attenuator with a screwdriver. Selective focus. Blue background.
Related tags:
- ethernet
- telecommunication
- telecom
- internet network
- internet
- communication technology
- connection
- network
- fiber optic
- global network
- data
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- information technology
- information
- cable
- global
- data technology
- communication
- fiber
- technology
- plug
- electronics
- screwdriver
- equipment
- center
- optics
- tools
- hand tools
- blue technology
- cord
- traffic
- speed
