Medical testing for diagnostic or treatment purposes

Biological and chemical substances used in industry and for scientific and research purposes, including medical scientific and medical research purposes

hearing aids and component parts therefor

electronic computer controlled door locks

KEYBOARDS SOLD TO ORIGINAL EQUIPMENT MANUFACTURERS FOR USE WITH ELECTRONIC EQUIPMENT

Graphics Generation and Overlay Devices-Namely, Printed Circuit Boards and Integrated Chips, for Use with Computers and Video Storage, Reproduction and Transmission Equipment Such as Video Disks, Tape Recorders, Color Cameras, and Video Signal Units

computer software