9 [ video display testing units; voltage doublers; light gas guns; solid propellant guns; cold gas guns; x-ray intervalometers; magnetic detector intervalometers, projectile velocity measurement units; computers, militarized ] computers and computer components; namely, [ memory and accessory modules, central proccessing units, analog modules, parallel and serial interface modules, ] bus interface modules, peripheral controllers, I/O modules, [ wire wrap boards, ] adapter boards, [ extender boards, extender cables, power supplies, ] chassis, computer hardware peripherals; computer software for use in defense and industrial applications; pulse generators, electronic integrators, electrical button shunts, [ electrical repair shunts, ] electrical shunts, vacuum voltage monitors, spark gap switches, pulse amplifiers, current monitors; beta ray E-beam sterilizers; [ lasers, excimer lasers, x-ray pre-ionizers, ] electron accelerators