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Only if that means using twice as much metal - I would expect instead it'd mean adding a thin strip of metal around the circumference of the lid. That would add
by blacksmith_tb 4y ago
Only if that means using twice as much metal - I would expect instead it'd mean adding a thin strip of metal around the circumference of the lid. That would add a few grams, I'm sure, but hardly doubling.
- nojito 4y agoNope. They need to ensure the same rigidity across the entire lid.