Text: the working group on languages in education and training focused on this issue from 2011 to 2013.

Correct capitalization: The working group on languages in education and training focused on this issue from 2011 to 2013.

Text: tip: incorrect chr file association errors can be a symptom of other underlying issues within your windows operating system.

Correct capitalization: Tip: Incorrect CHR file association errors can be a symptom of other underlying issues within your Windows operating system.

Text: conjugated estrogens no prescription itraconazole.

Correct capitalization: Conjugated estrogens No prescription itraconazole.

Text: that means it is not necessary to install an additional light switch.

Correct capitalization:
That means it is not necessary to install an additional light switch.