Give every decision a revision history.
Engineering memory begins when the right records are connected.
A product record should show which geometry version, material and manufacturing conditions were assessed. This preserves the context of results for future work.
Connect technical documents to their manufacturer, date, revision and relevant product. When a source changes, it becomes easier to identify decisions that need to be revisited.
For trials, record changed parameters, measurement methods and results together. The conditions that produced the result are part of engineering memory too.