obsolete
telegraph
Being 'obsolete' means that something better has been found to replace it.
Minicomputers are no longer made, the microcomputer made them obsolete.
An apparency is a quality of being apparent or clear, or an obsolete term for an appearance.
GUnpowder made Castles obsolete. More people were injuried by the stones being blasted apart then were being protected by the ramparts.
Because it's obsolete. Obsolete means that people have made something better and no longer need the first version.
Yes, it should be possible to do so provided the model is still being made. After time some models and the spares for them stop being made and the equipment becomes obsolete.
GUnpowder made Castles obsolete. More people were injuried by the stones being blasted apart then were being protected by the ramparts.
Inventory adjustment.
Anti-Ship Missiles
Invention of the pendulum clock
the siege tower