character， machine readable
character oriented machine
character recognition machine
machine deforming character
Machine printed character recognition
machine readable character
optical character recognition machine
optical charcter recognition machine
character deletion character
character distinguishing character shrinking
character-deletion character
Chinese character coded character set
End-of-Text Character (ETX Character)
End-of-Transmission Character (EOT Character)
End-of-Transmission-block Character (ETB Character)
USASCSOCR USA Standard Character Set for Optical Character – Recognition
wrongly written character OR mispronounced character
ballast distributing and trimming machine；ballast distributing and regulating machine