QUESTION: Fix punctuation: If it shipped bricks it also made a profit
ANS: If it shipped bricks it also made a profit.

QUESTION: Fix punctuation: Finally a comment on his personality and interests outside mathematics and statistics
ANS: Finally, a comment on his personality and interests outside mathematics and statistics:

QUESTION: Fix punctuation: Tasklight with arm length 80cm colour Black light source LED with AUS plug
ANS: Tasklight with arm length 80cm, colour Black, light source LED, with AUS plug

QUESTION: Fix punctuation: of WiFi is restricted you can turn WiFi off in your phone settings
ANS:
of Wi-Fi is restricted, you can turn Wi-Fi off in your phone settings.