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The Time It Takes for 50% of an Unstable Isotope

question 10

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The time it takes for 50% of an unstable isotope to decay to a stable form is called the


Definitions:

MMC

Maximum Material Condition, a feature size that contains the maximum amount of material within the specified tolerance limits.

Feature Control Frame

A rectangle used in technical drawings to describe the conditions and tolerances for a geometric control on a feature of a part.

Modifying Symbol

Symbols used in engineering drawings to specify additional requirements or modifications for geometric tolerances.

Parallelism

The condition of being parallel; in geometry, it describes lines, planes, or surfaces that, no matter how far extended, do not meet.

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