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Pronounce the following words. Pay special attention to the letters in bold.

Read the following word formations and remember their pronunciation. Pay special attention to the stress.

You are going to learn some vocabulary to help you understand the text. Study the following dictionary entries, paying attention to specific term definitions. Match the term with the appropriate meaning.

10. Read the text “Pipeline Components”. Look at the diagram and pay attention to the underlined terms in the text.

Fig. 3 Components of a pipeline

A pipeline system is comprised of the following components:

1. line pipe – the main component of every pipeline and is usually metallic (carbon steel / corrosion resistant alloy)

2. pig traps – allow safe loading, launching, receiving and retrieval of pigs without disrupting the fluid in the pipelines;

3. block valve stations – isolate section of the pipeline and limit the release of line contents in case of a leak or pipeline rupture;

4. emergency shut-down valves (ESD) – located at both ends of the

pipeline and enable automatic shut down of the line in case of an emergency;

5. slug catcher – installed at the end of a multi-phase pipeline to prevent slugs and to ensure a constant gas flow into the receiving station;

6. cathodic protection system – installed as a backup to the external coating to prevent corrosion of the external surface of the pipelines;

7. pressure protection system – protects a pipeline when the line pressure exceeds ) the max. allowable pressure;

8. telemetry system – permits pipeline monitoring and remote operation from a central location;

9. leak detection system – installed to warn that a leak occurred.