QUES: The main objective of this study was to find out ways and methods by which knowledge of AT can be directly transferred into the hands of endusers

correct the punctuation.

CORRECTED: The main objective of this study was to find out ways and methods by which knowledge of AT can be directly transferred into the hands of end-users.

QUES: It is key to our economic success

correct the punctuation.

CORRECTED: It is key to our economic success.

QUES: 32 of internet users around the world are nonnative English speakers

correct the punctuation.

CORRECTED:
32% of internet users around the world are non-native English speakers.