like: khai thác → →
der Bergbau ☊ 
sự khai thác khoáng sản hay hầm mỏ ☊ 
☊ das Bergwerk ☊ nhà máy khai thác quạng mỏ ☊ ☊ das Erz fördern ☊ khai thác quặng ☊ ☊ companies exploring for (= searching for) oil ☊ explore ☊
He was granted a licence to mine in the area. ☊ grant ☊
mineral deposits/extraction ☊ mineral ☊
operate sth: The airline operates flights to 25 countries. ☊ operate ☊
the exploitation of minerals and other natural resources ☊ resource ☊