The fan powered by a motor creates suction which pulls the dust into the cleaner nozzle (head) into the bag, filters or cyclones.
The air pressure inside a tornado is very low. because the air pressure outside of the tornado is higher than the pressure inside, air rushes into the tornado. Rushing air causes the tornado to act like a vacuum cleaner; objects are pushed into the tornado.
Although it is called a vacuum cleaner, it does not actually create a vacuum. Inside the cleaner there is an electric motor which drives a fan blade. This fan blows air out of the vacuum cleaner and this causes air to be drawn in to the cleaner at the other end. Thus the cleaner works by creating an air flow, not a vacuum.
condensation.
Heat causes more activity in the atoms inside the balloon. This causes expansion as they are bouncing around inside more than when they were cold. They need more room. The expansion causes failure in the balloon.
the temperature
Carbon build up on filiment inside sensor. Spray with Mass airflow cleaner or carb cleaner.
The air pressure inside a tornado is very low. because the air pressure outside of the tornado is higher than the pressure inside, air rushes into the tornado. Rushing air causes the tornado to act like a vacuum cleaner; objects are pushed into the tornado.
Friction
By expanding them, you create a vacuum inside them; given a portal (your mouth, nose), the vacuum will pull the ambient air in, just as a vacuum cleaner pulls things inside by creating a vacuum.
Although it is called a vacuum cleaner, it does not actually create a vacuum. Inside the cleaner there is an electric motor which drives a fan blade. This fan blows air out of the vacuum cleaner and this causes air to be drawn in to the cleaner at the other end. Thus the cleaner works by creating an air flow, not a vacuum.
The biggest cause of LCD yellowing is the use of improper cleaners on the screen.
I would not. While it COULD be used as a cleaner, it is highly flammable, and a known human carcinogen. (causes cancer)
Dry cleaning is done with specific chemicals at specific temperatures to rid clothing of bacteria (caused by perspiration, etc.) that causes odors. A dry cleaning will also "spot treat" stains and spills on clothing. The items are as clean, if not cleaner, than they would be if laundered.
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It is NOT the electric motor creating that sound, it is the suction pump that is driven by the motor that is creating that sound while creating the partial vacuum that sucks in the dirt. If you have an upright vacuum cleaner, the beater brushes also make quite a bit of noise when you have them turned on when doing carpets.
When water freezes it expands. This process creates pressure inside of the rock, which causes it to burst open from the inside.