ONこう
Meanings
minemineralore

How to remember

'Kou' — You 'GO' into a MINE to find MINERALS.

Vocabulary

鉱山こうざん
mine (as in, a pit for extracting minerals)
鉱物こうぶつ
mineral
鉱石こうせき
ore
炭鉱たんこう
coal mine
鉱業こうぎょう
mining industry

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