A ASTROPHYSICS

WALK-THROUGH METAL DETECTORS; BAGGAGE AND CARGO X-RAY SCREENING MACHINES; X-RAY INSPECTION SYSTEMS; COMPUTER SOFTWARE FOR TRAINING AND CERTIFYING OPERATORS OF X-RAY SCREENING MACHINES; AND METAL DETECTORS ON IMAGE INTERPRETATION

INSTALLATION AND MAINTENANCE OF X-RAY SCREENING MACHINES AND METAL DETECTORS

DESIGN, RESEARCH AND DEVELOPMENT OF NON-INTRUSIVE X-RAY, BACKSCATTER X-RAY AND GAMMA-RAY INSPECTION SYSTEMS