Литмир - Электронная Библиотека

Put words in gaps:

1. There is no life ……………….

2. Saltwater equipment often builds up calcium which slows down water movement and can …………………completely.

3. Captain never gets angry ………………………..

4. Insects during this time …………..of hunger.

5. Well-preserved nets, net …………, and hooks were found at Key Marco

6. High start -.......................

Read the text and do exercises:

Without air the bacterias will die.

Inside the sterilization tank there are floats.

high start – discharge liquid

low start – stop pump

high alarm – alarm signal if something goes wrong

Write words in the gaps:

Without air the bacterias will die.

Inside the sterilization tank there are floats.

high start – ……………….

low start – ……………………

high alarm – alarm signal ………………………..

Match:

1.high star a.stop pump

2.low start b.discharge liquid

3.high alarm c. alarm signal if something goes wrong

Sewage Part 5

sample cock – клапан для взятия пробы ила

sludge test – тест на ил

special triangular flask – специальная треугольная колба

give time to settle – дать время, чтобы отстояться

look at the notches – посмотреть на риски

mens few bacteria – значит, что бактерий мало

add more – добавить больше

little sludge – мало ила

rarely – редко

Put words in gaps:

sample cock – клапан для взятия пробы ила

sludge test – тест на ил

special triangular flask – специальная треугольная колба

give time to settle – дать время, чтобы отстояться

1. We make the …………………to know how many bacteria are in the system.

2. We use the …………………..to make a sludge test.

3. ………………… – the valve for taking samples.

4. ………sludge………………..

look at the notches – посмотреть на риски

means few bacteria – значит, что бактерий мало

add more – добавить больше

little sludge – мало ила

rarely – редко

5. Continue to ………………..water when necessary.

6. They ……………do everything by themselves.

7. To know the result on the flask.

8. ………………….means a lot of bacteria.

9. A lot of sludge…………………….

Read the text and do exercises:

sample cock – the valve for taking samples.

Sludge test is made in the special triangular flask. Give time to settle. Look at the notches on the flask.

A lot of sludge means few bacteria, add more bacteria.

Little sludge means a lot of bacteria, add bacteria rarely.

Choose the correct options:

sample cock – the valve for taking ……………….

a.bacteria

b.flask

c.samples

Sludge test is made in the special triangular………….

a.sample

b.flask

c.bacteria

Give time to………

a.settle

b.look

c.notches

Look at the ………. on the flask.

a.notches

b.samples

c.bacteria

A lot of sludge means few bacteria, add more bacteria.

Little sludge means a lot of bacteria, add bacteria …………….

a.sludge

b.rarely

c.means

Put sentences in correct order:

A lot of sludge means few bacteria, add more bacteria.

sample cock – the valve for taking samples

Little sludge means a lot of bacteria, add bacteria rarely.

Give time to settle.

Sludge test is made in the special triangular flask.

Look at the notches on the flask.

………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..

Sewage Part 6

are added – добавляются

top point of the system – верхняя точка системы

clean all pipes – очистить все трубы

once a month – раз в месяц

clean water inlet – вход чистой воды

Put words in gaps:

1. Materials ……………….as they are prepared.

2. This involves used high-pressured water to unclog and…………………

3. A check will be performed ………………………

4. Bacteria are added at the………………………….

5. Clean sewage treatment plant once a month with the………………………

Read the text and do exercises:

Bacteria are added at the top point of the system, so they can clean all pipes and the system.

Clean sewage treatment plant once a month with the clean water inlet.

Put missing words in the gaps:

once a month clean all pipes top point of the system

Bacteria are added at the……………………., so they can …………………and the system.

Clean sewage treatment plant ………………… with the clean water inlet.

Put words in correct order to make sentences:

of the system Bacteria top point are added at the, pipes can all so they and the clean system.

…………………………………………………………………………………………………………………………………………………………………………………………………………………………

sewage clean treatment a month Clean with the water plant once inlet.

…………………………………………………………………………………………………………

Answer the questions:

How many tanks are in the sewage treatment plant?

What is barbotage?

Why do bacteria need air?

Why do we add bacteria at the top point of the system?

When do we need to add running water?

How do you perform a sludge test?

Oil mist detector

Oil Mist Detector Part 1

is sucked from всасывается из

into – в

crankcase – картер

measuring head – измерительная голова

oil mist opacity – непрозрачность масляного тумана

is determined – определяется

compressed air – сжатый воздух

which is connected to – который подсоединен к

pressure regulator – регуляторы давления

set pressure – установить давление

water column – водяной столб

Put words in gaps:

is sucked from всасывается из

into – в

crankcase – картер

measuring head – измерительная голова

oil mist opacity – непрозрачность масляного тумана

Both aircrafts crashed …………….. the ocean.

………………. is the key to activate alarm.

In the………………., oil mist is created when the lubricating oil is splashed by moving and rotating parts of the engine.

An indicator layer on a small glass component installed in the ……………….. is illuminated with blue-green-light.

Water ……………… the barrel with the pump.

is determined – определяется

compressed air – сжатый воздух

which is connected to – который подсоединен к

pressure regulator – регуляторы давления

set pressure – установить давление

water column – водяной столб

The dosage ………………. according to the instructions.

Suction is from the pipeline, ……………………. the camera.

The material flow rate is easily controlled with a ………………………….

It is necessary to …………………. of air, the flow of the coloring composition and the width of the "torch" correctly.

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