Деловой английский язык. Енютина А.А. - 18 стр.

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18
c) Вытяжной воздуховод удаляет загрязненный воздух, а приточный
обеспечивает доставку свежего воздуха.
TEST № 11
Прочитайте текст и письменно выполните задания к нему.
Rock bolting
Rock bolting is one of the most common methods of rock reinforcement.
Rock bolting is also an inexpensive and uncomplicated way of limiting rock de-
formation and holding rock pieces together. The main idea of rock bolting is to
increase the ability of the rock to support itself and resist stress.
Bolting is normally done during or immediately after excavation, but it can
also be done before excavation, especially when large rock masses need to be
bolted. The amount of bolting, the frequency and type of bolt depend on the rock
conditions, purpose, and lifespan of the excavated space. Bolts can be divided
into categories according to the way they behave in the rock, grouted bolts and
anchored bolts. They are also classed as temporary or permanent.
Anchored bolts are meant for temporary rock support. The bolt has an ex-
panding anchor in its end. After insertion in the hole, it is rotated or pressed
against the bottom of the hole. This expands the wedged bolt end, anchoring it
firmly against the sides of the hole.
Задания
1. Переведите текст на русский язык.
2. Ответьте на вопросы
к тексту:
a) What is the main idea of rock bolting?
b) When is the rock bolting usually done?
c) What categories of bolts do you know?
3. Переведите на английский язык следующие предложения:
а) Наиболее популярный и эффективный вид цементации – полимер.
b) Количество креплений, частота их установки и тип болтов зависят
от качества породы, а также целей и продолжительности использования
разрабатываемой площади. 
                                      18


    c) Вытяжной воздуховод удаляет загрязненный воздух, а приточный
обеспечивает доставку свежего воздуха.

                                 TEST № 11

     Прочитайте текст и письменно выполните задания к нему.

                                 Rock bolting

     Rock bolting is one of the most common methods of rock reinforcement.
Rock bolting is also an inexpensive and uncomplicated way of limiting rock de-
formation and holding rock pieces together. The main idea of rock bolting is to
increase the ability of the rock to support itself and resist stress.
     Bolting is normally done during or immediately after excavation, but it can
also be done before excavation, especially when large rock masses need to be
bolted. The amount of bolting, the frequency and type of bolt depend on the rock
conditions, purpose, and lifespan of the excavated space. Bolts can be divided
into categories according to the way they behave in the rock, grouted bolts and
anchored bolts. They are also classed as temporary or permanent.
     Anchored bolts are meant for temporary rock support. The bolt has an ex-
panding anchor in its end. After insertion in the hole, it is rotated or pressed
against the bottom of the hole. This expands the wedged bolt end, anchoring it
firmly against the sides of the hole.

                                   Задания

    1. Переведите текст на русский язык.
    2. Ответьте на вопросы к тексту:
    a) What is the main idea of rock bolting?
    b) When is the rock bolting usually done?
    c) What categories of bolts do you know?
    3. Переведите на английский язык следующие предложения:
    а) Наиболее популярный и эффективный вид цементации – полимер.
    b) Количество креплений, частота их установки и тип болтов зависят
от качества породы, а также целей и продолжительности использования
разрабатываемой площади.

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