Proving a Marking or Adhesion Specification Was — or Was Not — Met

Most supplier disputes over marks and bonds are really disputes about an unmeasurable spec. What makes a requirement provable, and how to test an existing one.
When to Bring In an Outside Process Engineer — and What an Hour Can Settle

Outside engineering is usually called too late, after months of internal iteration. The signals that it is worth calling, and how to scope a short engagement.
