機器
arm
bar
barcode
body
code
computer
concept
confidential
control
crime
data
democratic
digital
flag
free
freedom
hand
human
id
identification
identify
identity
information
korea
korean
mark
national
no
north
north korea
north korean
personal
privacy
registration
republic
risk
safety
secure
security
sign
slave
slavery
system
technology
tracking
work
world
wrist