In the world of digital files, a "repack" usually refers to a file that has been compressed, optimized, or bundled with extra features (like a searchable OCR layer) to make it more user-friendly than a standard scan.
g., 26th or 27th) contains the most recent ISO standards for your specific field?
Many digital versions allow you to add "sticky notes." You can record specific machine offsets or notes about your workshop's specific tools directly onto the relevant pages.
Specific weights, melting points, and tensile strengths for various steels, aluminum, and alloys.