QUES: Up to 78 kg additional weight is possible adjustable in 25kg increments

correct the punctuation.

CORRECTED: Up to 78 kg additional weight is possible, adjustable in 2.5kg increments

QUES: reduction of public sector spending including wage payments

correct the punctuation.

CORRECTED: reduction of public sector spending, including wage payments

QUES: Wouldnt it have been inconvenient to have to specify Boston Oregon or Boston Massachusetts Portland Maine comes up so infrequently that people know Portland almost always refers to Portland Oregon

correct the punctuation.

CORRECTED:
Wouldn't it have been inconvenient to have to specify Boston, Oregon or Boston, Massachusetts? Portland, Maine comes up so infrequently that people know Portland almost always refers to Portland, Oregon.