From Pen to Part

Tests the evidence required before a component recovered from a used injection device can enter a new function.

This author overview explains the book's operating focus without reproducing the book text or Amazon commerce data. It is intended for practitioners who need a structured way to define the problem, control evidence and produce reusable decision artefacts.

Practical outputs

1. A take-back operating map
2. A custody and exception ledger
3. A circular unit-economics model