Question

 What is a vacuum empty of?

Answer Air
http://wiki.answers.com/Q/What_is_a_vacuum_empty_of

Top Q&A For: What is a vacuum empty of

Why do they call it a vacuum cleaner since a vacuum is an empty space?

It is usually hooked up to your kitchen sink p-trap or garburator under the sink, which is vented. This is the only vent you need for drainage.
http://wiki.answers.com/Q/Why_do_they_call_it_a_vacuum_cleaner_since_a_vacuum_is_an_emp...

A vacuum cleaner is a space entirely empty of what?

How do you empty the cup of eureka vacuum cleaner cup?

The first automatic vacuum cleaner was patented by Hubert Booth.
http://wiki.answers.com/Q/How_do_you_empty_the_cup_of_eureka_vacuum_cleaner_cup

What is the minimum vacuum pressure a vacuum pump should have for a vacuum bag repair?

Answer yesThis answer is not correct. Please note accompanying discussion and the associated hyperlink to a science fair study. Dea. Steve Johnson
http://wiki.answers.com/Q/What_is_the_minimum_vacuum_pressure_a_vacuum_pump_should_have...


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