File:Puffy-xray-copper.png

Summary
From https://docs.google.com/document/d/1-1xzU0-Ktpp4Z4gtofRDnrIYshrfZSWlpUWvyw32yc8/edit?fbclid=IwAR1oLm6fKvQ4xx7G0889_frABF72W2vjJID1qnHJrQl7H7o3fJjwMPe1vUo