Деловой английский язык. Енютина А.А. - 27 стр.

                                       27


     The estimated percentage of the total ore production from open pit opera-
tion in Western World are: crushed stone – 96 %, iron ore – 80 % ,copper ore –
70 %, hard coal – 50 % The above figures indicate that open pit mining is very
important in mining industry.

                                   Задания

     1. Переведите текст на русский язык.
     2. Ответьте на вопросы к тексту:
     a) What is the percentage of total production of the crushed stone by open
pit mining?
     b) Under which circumstances is the mining operation usually converted
from open pit to underground mining?
     c) When is open-cast mining used?
     3. Перевести на английский язык следующие предложения:
     a) Существуют два основных вида открытой разработки – добыча ру-
ды в карьере и разработка рудоносных пород.
     b) Если оруденение уходит на большую глубину, открытые горные
работы трансформируются в подземную разработку.
     c) Открытая разработка месторождения имеет много преимуществ по
сравнению с подземной разработкой.

                                  TEST № 19

     Прочитайте текст и письменно выполните задания к нему.

                                  Reclamation

      Open pit mining is a temporal use of the land surface. The time span of
mining can be very short as in road building or very long as in some of the mas-
sive open pits for copper. During the mining process there will be a time when
mining ceases. Usually good mine design and good mining practice require that
attention be paid to the post-mining use of the land formerly used by a mine.
Reclamation is defined as those operations that prepare mined land for post-
mining use. Reclamation also includes those steps that stabilize mined land in
its environment. Reclamation is not a single step supplementing mining, rather it