What does 开采 (kāicǎi) mean in English?

Card 1443HSK Level 41443/3571
CARD1443
PROGRESS40%
开采
開采
kāicǎi
exploit (mine)(Verb)
Click to reveal
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Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d