as i've mentioned before, our primary healing mechanism is vibrations, which is why music is so essential.

How would the previous sentence be correctly capitalized?
Answer: As I've mentioned before, our primary healing mechanism is vibrations, which is why music is so essential.
if any of the above-mentioned reasons occur, rar file is corrupted and cannot be extracted.

How would the previous sentence be correctly capitalized?
Answer: If any of the above-mentioned reasons occur, RAR file is corrupted and cannot be extracted.
this voucher is valid until december 31st 2017, as exin, our exam provider can no longer issue certificates after this date. in total, you have 6 months to take both exams, so if you need an extension, contact mentorix atkursus@mentorix.dkfor the purpose of receiving a new voucher that can extend the examination deadline.

How would the previous sentence be correctly capitalized?
Answer: This voucher is valid until December 31st 2017, as EXIN, our exam provider can no longer issue certificates after this date. In total, you have 6 months to take both exams, so if you need an extension, contact Mentorix atkursus@mentorix.dkfor the purpose of receiving a new voucher that can extend the examination deadline.
member of the sejm 2001-2005 and from 2011 for platforma obywatelsk, minister of helth 2007-11 and marshall of the sejm from 2011. (b. 1956-)

How would the previous sentence be correctly capitalized?
Answer: Member of the Sejm 2001-2005 and from 2011 for Platforma Obywatelsk, Minister of Helth 2007-11 and Marshall of the Sejm from 2011. (b. 1956-)