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You may download and adapt published workbooks for personal or internal business use. Do not misrepresent authorship, resell unchanged collections, interfere with the site, or use the resources unlawfully.

Workbooks depend on complete and accurate user entries. They may contain errors and may be changed or withdrawn. You are responsible for checking formulas, units, dates, assumptions, project documents, current law, authority requirements, and manufacturer instructions before relying on an output.

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