Coding, proof-reading, and related clerks convert information into codes, verify and correct proofs, and perform a number of miscellaneous clerical duties.
(a)     Tasks include -
converting information into codes and classifying information by codes for data-processing purposes;
comparing proofs of texts and related material prepared for printing with original material, correcting errors and marking texts for printer according to the established rules;
sorting forms and marking them with identification numbers;
sorting documents for filing or to collate sets of pages;
addressing circulars and envelopes by hand.