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Introduction to Vacuum Techniques is a document available to read on EtoBox.
- Vacuum is defined as low pressure relative to atmospheric pressure, which is caused by gas molecule collisions. Vacuum can be created by reducing gas molecules or molecular energy through pumping or cooling. - Atmospheric pressure decreases with increasing altitude according to a formula. It is about half as much on Mount Everest compared to sea level. - When a closed container is pumped out, a net inward force develops on the walls from the outside atmospheric pressure, which could cause implosion if
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