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What does the elevator button mark PB stand for in Spanish-speaking Countries?
PB means Planta Baja (lower level)
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When you press the button, a microswitch creates a circuit. That circuit sends a signal to the elevator controller, which is a computer that runs the elevator. Instantly, the …controller powers the light inside the button, which is usually an LED. At the same time, the elevator is dispatched to your location based on a mathematical formula. Once the elevator arrives, the LEDs in the button are turned off. Buttons vary greatly, but a generally divided into vandal resistant or plastic. Vandal resistance is typically defined as a metal button that lands on solid metal when depressed. See www.epco.us for examples of many kinds of buttons.
The button is used to allow the elevator doors to be open in a safe way and allow the building security etc. to know you are there and need rescue.
Lead Plumbum ,Latin word hence plumbing and plumbers
The abbreviation Pb for lead comes from it's original Latin name plumbum.
From the Latin Plumbium, Pb is the chemical symbol for lead.
It stands for Plumbum - which is the latin word for lead.
Lead. Scientific name, plumbum (pronounced, plum as in the fruit and bum as in anus) :P
The chemical symbol Pb stands for "lead", Plum bum.
PB means Plant Baja which in English means Main Floor.
Pbteen stands for potery barn teen.
Here is the answer directly from Otis: "The Shuffle button is used only by Otis Technicians when they need to change the placement of the lower/upper deck elevators. It allows… them to safely board the lower deck car top from the main lobby. A special code is required from the Elevator management system to allow shuffle operation to be activated." Keep in mind that the elevators in question are double-decked and serve two floors at once.
PBS: Planed Both Sides PAR: Planed All Round Both these terms are used to describe Ready-machined wood.
sótano (which means basement).
Most likely it means "paperback". It could also mean "perfect bound", a particular style of paperback.