QUESTION: Fix punctuation: Cable Chip installation
ANS: Cable & Chip installation

QUESTION: Fix punctuation: His relationship with you brings this image alive in a very powerful way
ANS: His relationship with you brings this image alive in a very powerful way.

QUESTION: Fix punctuation: A cerebrospinal fluid tap is another common diagnostic method used to confirm parasitic infection however the tap may yield normal results despite encephalitis
ANS: A cerebrospinal fluid tap is another common diagnostic method used to confirm parasitic infection; however, the tap may yield normal results despite encephalitis.

QUESTION: Fix punctuation: having the seller refuse to sell to you simply because you live in a different EU country
ANS:
having the seller refuse to sell to you simply because you live in a different EU country.