The main purpose of these systems is the speed of response to fire and then converting this early response into an audio and visual signal to alert an individual or group of individuals in the building, place, relief or fire center that there is a fire in its early stages and the fire alarm is considered the greatest fire detector.
The welding process is used for the purpose of joining metals together, where they are heated, liquefied and linked together, and then the two pieces become connected in strength or stronger than the original metal.
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