As an engineer what is your most proud invention/discovery

Question: As an engineer what is your most proud invention/discovery
- Keywords:
  discovery,
  engineering,
  invention
Asked by anon-371282 to Paula on 8 Nov 2023.
- Paula McMahon answered on 8 Nov 2023:
  
  I am proud of many of my projects – including helping keep the Thames Barrier last longer to protect London from flooding.