The Thickness of a Tooth or Space Measured on the Circumference

question 13

Short Answer

The thickness of a tooth or space measured on the circumference of the pitch diameter is ___________________________________.

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Definitions:

Breakthrough

A significant or sudden advance, discovery, or achievement that overcomes a significant obstacle or opens up new possibilities.

Le Duc Tho

A Vietnamese revolutionary and politician who was awarded the Nobel Peace Prize in 1973, which he declined, for his role in the Paris Peace Accords intending to end the Vietnam War.

Peace Is at Hand

A phrase famously used by Henry Kissinger in 1972 indicating that an end to the Vietnam War was imminent, though the war continued for several more years.

Ho Chi Minh City

Formerly known as Saigon, it is the largest city in Vietnam known for its significant role in the country's history and economy.