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Is there any difference between these two?

Do (suppose) technical knowledge and technical know-how convey different meaning?

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up vote 5 down vote accepted

"Knowledge" is the acquaintance with the facts and information. You know it, in your head.

"Know-how" is the knowledge of how to do something. In other words, "know-how" is the ability to perform a task or action.

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I agree: in other words theory and practice. – nico Jul 13 '11 at 10:11
In some (but definitely not all) areas know-how also requires knowledge. – Joachim Sauer Jul 13 '11 at 11:13
I would rather say: knowledge is plain theory and know-how is the theory you need to do something in practice. – Nappy Jul 13 '11 at 12:34

I think the terms knowledge and know-how are very similar. The only two small differences I can think of are perhaps that know-how is a bit less formal than knowledge, and that know-how may place a little more emphasis on knowledge of how to do something practical/physical, as opposed to knowledge being potentially more abstract. That said, you can certainly have knowledge about how to do practical/physical tasks.

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