we are to spend money, but with discretion and control.

How would the previous sentence be correctly capitalized?
Answer: We are to spend money, but with discretion and control.
when jessica was 20 weeks pregnant she found out that her unborn baby had a rare chromosomal disorder that was incompatible with life.

How would the previous sentence be correctly capitalized?
Answer: When Jessica was 20 weeks pregnant she found out that her unborn baby had a rare chromosomal disorder that was incompatible with life.
this is the old version of tk11, i.e. not the r2 version. it is running on a 18650 battery.

How would the previous sentence be correctly capitalized?
Answer: This is the old version of TK11, i.e. not the R2 version. It is running on a 18650 battery.
exhibitors from over 100 overseas companies, have advanced world-class technologies and products in it and networking fields.

How would the previous sentence be correctly capitalized?
Answer: Exhibitors from over 100 overseas companies, have advanced world-class technologies and products in IT and networking fields.