high - ille
- high explosives
- high speed testing facility
- high temperature gas cooled reactor
- high-current pulse generator
- high-density (lead glass or other) radiation shielding window
- high-level waste
- high-power explosive compound
- high-power thermonuclear neutron source
- high-powered explosive substance
- high-risk property
- high-speed pulse generator
- high-strength maraging steel
- high-tech exports
- high-voltage direct current power supply
- high-yield (nuclear) explosion (>1 Mt)
- highly enriched uranium
- highly specialized equipment
- holdup
