Keywords:
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,
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