fire triangle oxygen heat and fuel elements for ignition outline diagram three main component hot flame reaction |
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| navigate by keyword : fire triangle oxygen heat fuel ignition safety flammable symbol sign icon combustion components elements hazard prevention control protection science dynamics education emergency risk behavior spread extinguish response analysis assessment management resistant drills alarms extinguishers department signaling basics warning danger symbols |
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| Fire triangle as oxygen, heat and fuel elements for ignition outline diagram. Three main component of fire. Hot flame reaction in educational labeled scheme illustration |
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