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The Latin word pulsātor he arrived in Spanish as button . This is the name of button or caller that should be pressed (pressed, pressed, touched) to generate an action .

It is possible to find push buttons on a large number of devices. These buttons can have multiple sizes and shapes and are usually integrated into machines .

To activate a button, it is necessary press it or move it with one finger or by hand . In some cases, it returns to its state of repose when the user removes the hand, while in others it must be pressed again.

In general, the button allows a flow of current . Generally works with a electric switch which activates a function.

The elevators or elevators They are devices that work with buttons. These machines are responsible for moving to people between different floors. Suppose someone is on the eighth floor of a building and wishes to use the elevator to go to the ground floor. For this you must approach the elevator door and press the button: once the device arrives, the door will open and the subject will enter to make the downward path.

The bells that allow you to make a warning or call using a sound also have a button. Thus, if someone arrives at a house and intends to open the door to enter or to communicate with the owner, they must press the bell button.

It should be noted that, sometimes, they resort to colors to avoid mistakes with the buttons. A green button , in this framework, it usually starts a process, while a Red button It interrupts him.

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