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group of female security operators working in a data system control room Technical Operators Working at workstation with multiple displays, security guards working on multiple monitors in surveillan
Phone call, security guard and woman with tablet, display or cctv screen in night shift for safety or video surveillance. Camera, footage or person with communication in control room for protection
The motorcycle engine is sitting on the ground with a chain and a chain guard missing. The chain guard is typically used to protect the chain from dirt and debris, but it is missing in this case
Hand holding a transparent dental night guard or mouthguard over its white case
Sheepdog guarding a flock of sheep. A shepherd dog in the meadow with livestock.

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