Упражнение 1. Переведите словосочетания. Metal joining; soft soldering; resistance welding; to solidify; a correctly soldered joint; to expose bare metal; a suitable soldering flux; to remain liquid;

Metal joining; soft soldering; resistance welding; to solidify; a correctly soldered joint; to expose bare metal; a suitable soldering flux; to remain liquid; to dissolve any oxide film; the active fluxes; the inactive fluxes protect a previously cleaned metal surface; bolted constructions; a high frequency electric current.

Упражнение 2. Переведите предложения на русский язык.

1. Solder is a soft metal that becomes liquid when heated and is used for joining two other metal surfaces together.

2. Flux is a substance used for joining two pieces of metal together.

3. Soldering iron is a tool used for heating solder and joining metal surfaces together.

4. Rivet is a pin used for joining pieces of metal together.

5. Bolt is a type of screw that is used for fastening things together and that screws into a small metal ring called a nut.

6. To weld means to join two pieces of metal by heating them and pressing them together, or to become joined by this process.

7. Corrosion is a damage caused to metal or stone when it is corroded.

8. Welder is someone whose job is to weld metal.

Упражнение 3. Переведите текст.

Metal joining. Joining materials by thermal processes

Thermal processes in common use for the joining of metals and their alloys include:

Soft soldering.

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