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911
broadcast
call
calling
car
chatting
close
closeup
cop
crime
defence
defense
department
duty
emergency
enforcement
female
force
male
man
officer
partners
patrol
patrolling
police
policeman
policing
professional
protection
radio
safety
scene
security
serve
service
sitting
talk
talkie
talking
together
transmitter
uniform
up
urgency
walkie
walkietalkie
wireless
woman
working