QUESTION: Fix punctuation: Eliminate the middle cubes by adding cubes of edge
ANS: Eliminate the middle cubes by adding cubes of edge.

QUESTION: Fix punctuation: EUDP project concludes Sams might be able to produce biogas locally
ANS: EUDP project concludes: Sams might be able to produce biogas locally

QUESTION: Fix punctuation: Total consumption W 31 Ballast
ANS: Total consumption (W): 31 Ballast

QUESTION: Fix punctuation: 23 September 200723 September 2007 Lisa
ANS:
23. September 200723. September 2007 Lisa