Anonymous ID: 827a22 June 22, 2022, 2:48 p.m. No.16490460   🗄️.is 🔗kun

>>16490111

Inventor: Deryck F. Boot, Knighton, England

Assignee: MinnesotaMiningand

Manufacturing Company, St. Paul, Minn.

 

A mining company would have tunnels, right?