That includes lesser-used tools like a vacuum pump. As the name suggests, vacuum pumps create a vacuum by removing the air from a sealed area. They are great for cleaning out your car's air ...

There’s a rough vacuum section driven by one pump, a high vacuum section driven ... and mechanical keyboard switches are used to control everything, including one which functions as an emergency ...

A penis pump or vacuum erection device (VED) can be used to treat erectile dysfunction (ED). The device is used to suction blood into the penis to help achieve and maintain an erection.