Automatic welding watch

The amendment does not change the text silently.

Official sources are audited weekly.If a technical change is found, the relevant information note is reviewed;amount and duration are published only after human verification.

Security model

1. Only defined official institution addresses are downloaded.
2. The content summary is compared to the previous version.
3. Change, source error or expired inspection date review_required produces.
4. Automation does not edit any Wiki text and no numbers.