background

bank

banking

box

business

cash

closed

combination

concept

container

currency

deposit

door

finance

financial

gate

gold

heavy

insurance

investment

iron

key

like

lock

metal

metallic

money

object

open

precious

protect

protection

render

rich

safe

safety

savings

secret

secure

security

solid

steel

storage

stored

strength

strong

system

treasure

trust

used

valuables

vault

wealth