When you're finished filtering, start by removing the tubing from the filter flask before turning off the vacuum.
A vacuum is a total absence of matter, or a device in use for sucking up dirt or particulate, or cleaning with that gadget.
In general, a vacuum is created by beginning with air at atmospheric pressure within a certain sort of compartment.
When you're done censoring, remove the tubing from the filter funnel before turning off the vacuum.
Thus, these are some precautions that should be taken before stopping vacuum.
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