Davy lamp
A miners' lamp or safety lamp used in coal mines to prevent explosions.
Not melancholic.
Initialism of Thai Petrochemical Industry.
plural of coulter
古い竪坑に入る前に、彼女は閉じ込められたメタンに引火しないように鉱夫用の安全灯を点検した。
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DiQt
Free
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