UNDERSTANDING POSITIVE PRESSURE VENTILATION IN BUILDINGS AND HOW PPV FANS WORK
So much of the personal protective equipment (PPE) that firefighters wear is meant to protect them from the often-deadly environments they face. Helmets keep them safe from falling debris; respirators filter smoke and toxic fumes; turnout gear insulates them against intense heat; and so on. However, there is one technology that provides more than passive … Continue reading UNDERSTANDING POSITIVE PRESSURE VENTILATION IN BUILDINGS AND HOW PPV FANS WORK
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