Ten Rules of Proofreading
1. Never proofread your own copy.
2. Read everything in the copy straight through from the beginning to end.
3. Read copy backward to catch spelling errors.
4. Read pages out of order.
5. Have proofreaders initial the copy they check.
6. Have someone read numbers while you check hardcopy.
7. Take short breaks so you can concentrate more clearly.
8. List errors you spot over a month.
9. Alter your routine.
10. Make your marks legible and understandable.
From “How to Avoid Costly Proofreading Errors” by Carolyn Boccella Bagin and Jo Van Doren
Superscript
162
Transpose
Remove the fitting end.
Underscore
__________
The part was listed under Electrical.
Wrong font
This is the first step in the procedure
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Meaning
Symbol
Example
wf
wf