The (New) Export Administration Regulations (EAR)
Category 0 - Nuclear Materials, Facilities and Equipment and Misc.
Category 1 - Materials, Chemicals, Microorganisms and Toxins
Category 2 - Materials Processing
Category 5 - Communications, telecommunications
Category 6 - Optics, Cameras, Lasers, radar
Category 7 - Guidance, navigation, altimeters, avionics
Category 8 - Submersible systems, scuba, marine equipment
Category 9 - Propulsion Systems, space vehicles,