chemicals used in the preparation of reusable printing plates

imagesetters; platesetters; proofers; optical scanners; computer workstations, consisting of computer hardware, computer peripherals and computer software for processing digital image files; computer hardware; computer printers; laser diode arrays used as thermal imaging heads in imagesetters, platesetters and proofers; computer software for use in the prepress and printing industries, namely, computer software for the creation, processing, modification, management, and output of digital imag...

fiber optics, namely, switches and splitters