QUESTION: Fix punctuation: Personality is not anything you learn or that can directly be expressed
ANS: Personality is not anything you learn or that can directly be expressed.

QUESTION: Fix punctuation: A special function fulfills the Kettler Apollo gravity machine
ANS: A special function fulfills the Kettler Apollo gravity machine.

QUESTION: Fix punctuation: Technology like televisions mobile phones and radios are made from lots of different metals and minerals such as lead and mercury
ANS: Technology like televisions, mobile phones and radios are made from lots of different metals and minerals such as lead and mercury

QUESTION: Fix punctuation: If you think that the roads are too steep you can instead go with a covered pickup truck with seats called songthaew these vehicles are in service around the clock
ANS:
If you think that the roads are too steep you can instead go with a covered pickup truck with seats called songthaew, these vehicles are in service around the clock.