Once upon a time in a bustling laboratory in Nagoya, there was a test piece of vulcanized rubber named . Dumbbell No. 3 was a simple soul, molded into a precise shape with a narrow waist, born to serve the prestigious Japanese Industrial Standard (JIS) K 6251 .

JIS K 6251 is largely harmonized with ISO 37.

1. What is the difference between JIS K 6251 and JIS K 6252?

Hold a 2-hour workshop covering the specific figures from the PDF:

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