Teralock

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Teralock was a kind of mechanism that was added at banks and commercial places in case of robbery, arson and terrorist attack for making these places impossible for any person who wanted to enter at them illegally. If a person wanted to enter in them, a card was given to him to enter.

Details
A teralock can block every kind of attack at a building by informing its owner or the staff of the building for any kind of danger. It was placed at the central entrances of the buildings and at any area that can be easily violated. This mechanism will cause serious injuries in case that someone could enter in it illegally. Teralock was a set of numerous large locks that the owner could place them at every corner of the building. It was commonly used at banks, hotels and residential locations.

Use
It was clearly a security system that provided for complete protection for the inhabitants of the buildings and when someone entered illegally, at the same time teralock makes him enough weak to access, making the area completely inaccessible for him.