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The purpose of having a ventilation system is: It removes flammable gases

What is Ventilation system?

Ventilation system can be defined as the process in which fresh air  flow into a place.

Having ventilation system is important  as it help to remove harmful substances that may be harmful to the body when inhale  such as fumes or  flammable gases.

Therefore It removes flammable gases

Learn more about Ventilation system here:https://brainly.com/question/1687520

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