active
adult
barrier
blocking
busy
call
called
calling
communicate
communication
construction
conversation
device
electronic
employee
engineer
expression
expressive
face
female
finger
gadget
girl
glasses
green
hand
hands
hard
hat
hold
holding
information
jacket
portrait
serious
sign
signal
speak
talk
talkie
talking
technology
walkie
white
wireless
woman
women
work
worker
working