Kyeugh/Item Usage Categories

Scientific
A device that has been used to further scientific research, or a device that can be used to demonstrate scientific research. Examples are:
 * Particle accelerator
 * Interstellar Drive
 * Supercomputer
 * Calculator

Utility
A device that is used to maintain or carry out basic, practical functions, usually ones that are found in everyday life. Examples are:
 * Plumbing systems
 * Energy sources
 * Farming devices
 * Cloning machines

Military
A device that is used to destroy a target, usually for military purposes. Examples are:
 * Guns
 * Cannons
 * Types of projectiles

Social
A device that is used for social means, typically for inter-imperial relations. Examples are:
 * Communication systems
 * Languages
 * Codes
 * Happy rays

More to come as the need arises.