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Beginning Leatherworking Class
Two Part Molds
Simple One Part Mold
Tools & Supplies
Introduction to Mold Making & Casting
Mold Making & Casting Class
Metalworking Tools and Materials
The one who was writing this instructable was using the german note names.H = BB= Bb
Looks good. A bit of constructive critisism though. A "can" is not a very good measurement for an instuctable, Content may vary a lot between brands and between different countries.