X-ray security screening units for non-intrusive searches of small packages at airport security checkpoints, courthouses, correctional facilities, nuclear power plants, and sensitive industrial locations where there is a need for interdiction of weapons, drugs or explosives

photoelectric controls and optical profile scanners

hand-held spectrophotometer for measuring color in plastics, namely, dashboards and plastic food containers, textiles, namely, linens, yarn and upholstery, paper, namely, paper rolls, paper reams and paper packaging, food, namely, oranges and sides of beef, painted products, namely, computer cabinets and car doors, and architectural materials, namely, vinyl siding and floor tiles, for industrial use

optical scanners for reading printed symbols such as bar codes

X-ray screening device for inspecting mail and small packages

X-RAY SCREENING DEVICE FOR INSPECTING MAIL AND SMALL PACKAGES

IMAGE SCANNERS FOR SCANNING OPTICAL IMAGES OF LIGHT SOURCES