QUESTION: Fix punctuation: export Saves WLAN profiles to XML files
ANS: export - Saves WLAN profiles to XML files.

QUESTION: Fix punctuation: When a company or business is doing well its stocks become a hot cake in the market and investors want to buy into it creating demand which drives up the stock values
ANS: When a company or business is doing well, its stocks become a hot cake in the market and investors want to buy into it, creating demand which drives up the stock values.

QUESTION: Fix punctuation: A reduction from 1904 levels of somewhat more than 50 percent
ANS: A reduction from 1904 levels of somewhat more than 50 percent.

QUESTION: Fix punctuation: Measure the temperature of the paint then adjust the emissivity to force the indicator to display the correct temperature
ANS:
Measure the temperature of the paint, then adjust the emissivity to force the indicator to display the correct temperature.