From an Amazon inquiry about a Makita circular saw:
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Question:
Magnesium is flammable. It scares me that this circular saw is made of a flammable material. Has this circular saw caught fire on anyone?[/FONT]
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Answer:
Solid magnesium ignites at around 950°F. If the temperature in the vicinity of your saw is approaching a thousand degrees, you have bigger problems than worrying about your saw housing catching fire.[/FONT]