bag

baggage

box

briefcase

business

case

close

code

coding

combination

concept

confidential

container

dial

entering

equipment

finance

financial

hand

hands

key

lock

locker

luggage

male

metal

metallic

money

number

opening

packing

password

personal

privacy

private

protect

protection

safe

safety

secret

secure

security

steal

steel

storage

suitcase

system

technology

travel

unlock