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How to make a correct cable connection?

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Expert cobbler at work! This is impressive👏🏼 👞

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Parts of an earpod

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Do you like this highly precise technique for joining two pieces of wood?

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These shirts are ___ sale.

A) in
B) on
C) at
D) to

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The documents should be sent ___ email.

A) by
B) with
C) on
D) at

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This is how dangerous a CT scan machine looks without its outer casing

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How a hydroelectric dam works