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After-reading activity

Refer the following statements to each of the passages of the text:

1. Application of welding techniques is decreasing nowadays.

2. Welding originated from the attempts to shape metal into useful forms.

3. Resistance welding is one of the earliest types of joining metals.

4. Industrial development in the 1950-s expedited (ускорять) the advance of

welding technologies.

Speaking

True or false?

1. Only heat is used for joining metallic parts in welding.

2. The process of carburization of iron is rather new.

3. The blacksmith and the jeweler continue to use welding techniques in their

work.

4. Welding is the only technique of joining metallic parts.

5. The modern electrode consists of a bare wire with asbestos.

6. Arc welding was not used after World War II.

7. Diffusion bonding and friction welding are solid-phase processes.

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