| 1. | Correct or record omissions, errors, or inconsistencies found. |
| 2. | Mark copy to indicate and correct errors in type, arrangement, grammar, punctuation, or spelling, using standard printers' marks. |
| 3. | Read corrected copies or proofs in order to ensure that all corrections have been made. |
| 4. | Compare information or figures on one record against same data on other records, or with original copy, to detect errors. |
| 5. | Consult reference books or secure aid of readers to check references with rules of grammar and composition. |
| 6. | Route proofs with marked corrections to authors, editors, typists, or typesetters for correction and/or reprinting. |
| 7. | Measure dimensions, spacing, and positioning of page elements (copy and illustrations) in order to verify conformance to specifications, using printer's ruler. |
| 8. | Read proof sheets aloud, calling out punctuation marks and spelling unusual words and proper names. |