Which one of the following pairs of technicians could repair all and only the same types of machines as each other?

Samantha September 25, 2014

Help please

Can you explain why C is the correct answer? I can't get the video of the question explanation to load.

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Naz October 21, 2014

We've fixed the bug in opening the video. Just press the "play" button on the screen.

Hope that helps! Please let us know if you have any other questions.