Not Applicable

Pub. by Mullen Brothers, Pittsburgh, PA. "Tichnor Quality Views," Reg. U. S. Pat. Off. Made Only by Tichnor Bros., Inc., Boston, Mass. [Public domain]

Pub. by Mullen Brothers, Pittsburgh, PA. "Tichnor Quality Views," Reg. U. S. Pat. Off. Made Only by Tichnor Bros., Inc., Boston, Mass. [Public domain]

If you have a checklist with items that can be ‘not applicable’, you haven’t got a checklist, you’ve got at least 2 checklists, and you’re asking for trouble.

Including every possible option doesn’t make executing the process easier.