on early British stamps, Maltese Cross cancellation mark.
The package consisting of the bullet, primer, and casing containing gunpowder; a round of ammunition.
A removable enclosure containing read-only memory devices, used for rapid loading of software onto a home computer or video game console.
A vessel which contains the ink or toner for a computer printer and can be easily replaced with another.
A prefabricated subassembly that can be easily installed in or removed from a larger mechanism or replaced with another interchangeable subassembly.
Magnetic tape storage, used for storing (backup) copies of data.