機器
business
computer
confidential
confidentiality
cut
delete
demolished
demolishing
design
destroy
destruction
device
document
element
equipment
file
garbage
icon
identity
illustration
information
isolated
management
modern
object
office
outline
paper
paperwork
personal
privacy
proprietary
recycle
secrecy
secret
security
set
shape
sheet
shred
shredded
shredder
shredding
sign
simple
symbol
text
white