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Use "white-out" in a sentence
"I love seeing the zip-a-tone, blue lines, and white-out that you don't get to see in the printed comics."
"Of course, this all assumes that we know how to type on an actual non-electric typewriter (start stocking up on white-out now, people!), or can actually write with a pencil and paper."
"The idea is that you do everything in ink and if a mistake is made, you do a cross-out (not a scribble or white-out)."