In general internet slang, “ISM” isn’t a single, stable term, and it is not a standard abbreviation in industrial or regulated manufacturing contexts. In most professional operations, engineering, or quality discussions, “ISM” should be avoided or clarified explicitly to prevent ambiguity and documentation risk.

Yes, mixed paper/digital procedures are common, but they introduce real risks: version mismatches, split change-control paths, audit gaps, and operator confusion. A hybrid approach can work if you define clear rules for which procedures stay on paper, maintain a single source of truth, and validate the end-to-end process, not just the digital pieces.