Glossary, ContinuedH (Continued)HALFTONE SCREEN— A screen placed in front of the negative material ina process camera to break up a continuous-tone image into a dot formation.HARD COPY— Copy of any kind produced on paper or any substrate exceptfilm, used for proofing, checking, revising, or redrawing.HARMONY— A pleasing arrangement of the picture elements, because ofthe similarity of one or more qualities.HEXAGON— A six-sided figure.HIDDEN LINE— Thick, short dashed lines used to show a hidden part oredge.HIGHLIGHT HALFTONE.— See DROP-OUT HALFTONEHIGH SURFACE— See HOT PRESSED.HINGE JOINT— A joint limited to back-and-forth movement.HOLDING LINE— A line usually drawn in black on a mechanical intendedfor reproduction.HOOK AND LOOP BOARD— A briefing board covered with nylon hookmaterial to which items backed with a nylon loop material will stick.HORIZON LINE— An imaginary horizontal line representing the observer’sline of sight.HOT PRESSED— Also called HIGH SURFACE. A smooth art paper orillustration board.HUE— The name given to distinguish any color.HYPO— See SODIUM THIOSULFATE.Continued on next pageAI-30
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