Snap gauges are often used when a large quantity of work pieces must be inspected.
2.
There are two methods for measuring changes in penile rigidity and circumference during nocturnal erection : snap gauge and strain gauge.
3.
The snap gauge has four " anvils " or " jaws ", the first one or pair ( outermost ) are set using the upper limit ( tolerance ) of the part and the inner set adjusted to the lower limit of the part.
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