graphic arts equipment; namely, automatic drafting/mask cutting systems, automatic focusing units, automatic registering machines, circuit boards, color assembly systems, color ink jet printers, color laser jet printers, color negative analyzers, color proofers, color viewers, computer disks and magnetic storage devices, computer monitors, computer software, control processing units, densitometers, desktop color scanners, direct color scanners, electronic color retouchers, electronic page assemblers, electronic page make-up systems, exposure control units, film printers, film processors, flatbed color scanners, graphics preparatory workstations, image data transmitters, imagesetters, light shielding cabinets, light tables, magnification measuring equipment, mechanical readers, monochromatic scanners, off-line input stations, off-line output stations, off-line plate processors, off-set proof presses, personal computers and mainframe computers, preparation stations, printers, process cameras, raster image processors (RIPs), image scanners, registration devices, rollfilm dispensers, rotary-type double-sided printers, scan preparation stations, scanners, scanner peripherals such as set up stations, set-up previewers, step and repeat machines, text and image stations, text and line art processing stations, vacuum contact printers, vignette generators