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Science: Krypton Lamps - TIME
Choice of Gas Type - lamptech.co.uk
Which of the following noble gases is used in miner's cap lamp
Gas-discharge lamp - Wikipedia
Krypton | Properties, Uses, & Facts | Britannica
Noble gas used in the miner's cap lamp is - EMBIBE
Cap lamp - Wikipedia
Which one of the following noble gases is used in miners cap lamps?
100 uses of krypton - All Uses of
Shining a Light on Cap Lamps in Underground Mining
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