QUESTION: Fix punctuation: Articles of copper cast moulded stamped or forged but not further worked nes
ANS: Articles of copper, cast, moulded, stamped or forged, but not further worked, n.e.s.

QUESTION: Fix punctuation: Before you can open a MP2 file youll need to figure out what kind of file the MP2 file extension refers to
ANS: Before you can open a MP2 file, you'll need to figure out what kind of file the MP2 file extension refers to.

QUESTION: Fix punctuation: We should now describe how Jones came to be considered an important Newton supporter in the dispute
ANS: We should now describe how Jones came to be considered an important Newton supporter in the dispute.

QUESTION: Fix punctuation: Earth Report 2009  National Geographic Channel  UK
ANS:
Earth Report 2009 - National Geographic Channel - UK