I save lives on the ground and in the air. What am I?

Answer: Seatbelt

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More What am I ?

I see what you see, feel what you feel, and hear what you hear. I know all of your moves before you make them. I even know the moves you didn’t make. What am I?
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I spin and hum, I'm your summer tool. Just flip the switch, and I serve to cool. What am I?
I stand up tall and made of steel, with baguettes and garlic at my heel. I love the colours red white and blue, but obviously not as much as you. I am a marvel for all to see, though to some I am a monstrosity! What am I?