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Replying to @vgr
I mean usually low-pressure argon, though new faux-Edison LEDs probably have 1atm or possibly more to improve cooling. The incandescent ones sometimes have a little chlorine, the fluorescent sometimes some mercury vapor.
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I mean usually low-pressure argon, though new faux-Edison LEDs probably have 1atm or possibly more to improve cooling. The incandescent ones sometimes have a little chlorine, the fluorescent sometimes some mercury vapor.
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