1) определите -ing формы: а) ParticipleI; b) Gerund; c) Verbal noun. 1. Copper extraction techniques refer to the methods for obtaining copper from its ores.
2. After spending over $30 million on the project, the company has decided to discontinue its development activities in Russia.
3. The pulverized ore is separated by physical processes like hydraulic washing, froth-floatation, and magnetic separation or by chemical processes, depending on the nature of the ore and its impurities.
4. Further cooling will go more slowly.
5. There are so many historical episodes involving the Orloff.
6. The engines power hydraulic pumps, which generate very high pressure oil for driving the track motors and moving the excavator rams.
7. According to the basic definition, mining means extracting minerals from the earth.
8. Drilling and blasting is employed to remove the worthless overburden.
a) Participle I:
obtainingspendingseparateddependingfloatinginvolvinggeneratingdrivingemployingb) Gerund:
obtainingspendingdevelopingfroth-floatingcoolingminingdrillingblastingc) Verbal noun:
extractiondevelopmentcoolingminingdrillingblasting