A safe is a secure lockable box used for securing valuable objects against theft or damage. A safe is usually a hollow cuboid or cylinder, with one face removable or hinged to form a door. The body and door are usually cast from a metal such as steel.
Specifications for safes include some or all of the following parameters:
burglar-resistance
fire-resistance
environmental resistance (e.g. to water or dust)
type of lock (e.g. combination, key, time lock, electronic locking)
