Report and vocabulary
Meet Bob, the metal minder.
He's on patrol in the offices of the security company G4S.
Bob does a 3D scan of each room to check if anything's missing.
This technology is just one of many new developments in the UK's robotics sector.
And while he's no substitute for a human security guard, Bob has already learned some basic office etiquette.
"Thank you, I will be on my way."
someone who protects another person
- on patrol
moving around an area to check for danger or trouble
a part of a country's economy or business
replacement; something that is used instead of something else
set of rules for how to behave in social situations