Make up a dialogue of your own based on the dialogues given below.

Make up a dialogue of your own based on the dialogues given below.

Motorman What repairs, namely, does the steam boiler require?

Chief Cleaning on the water and fire sides and repairing all the accessories and automatic devices - that's what our boiler needs. Besides we are also planning to have 3 failed water tubes replaced.

Motorman What's the trouble?

Chief You see they are distorted near the upper tube plate.

Motorman Oh, that! As a rule, the most usual cause of tube failure is shortage of water. That's why I'd like to know if there was any water leakage from the boiler.

Chief No, there wasn't. But the tubes exposed in their upper part. The diameter is 36 mm.

Motorman I am sorry to say but we have no heat-resistant tubes of such a diameter.

Chief Really? It's a pity. At any case you might let us know about this beforehand.

Motorman Don't worry, we'll settle this mater somehow or other.

observed for correct operation.

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