Please capitalize where necessary: use this feature to find the exact version of mir t8 that you are looking for.
A: Use this feature to find the exact version of MIR T8 that you are looking for.

Please capitalize where necessary: actually, it is the adolescent who is naive, ignorant and untaught in the truth about the facts of life!
A: Actually, it is the adolescent who is naive, ignorant and untaught in the TRUTH about the facts of life!

Please capitalize where necessary: the diesel engine is today the totally dominating power source in heavy commercial vehicles.
A: The diesel engine is today the totally dominating power source in heavy commercial vehicles.

Please capitalize where necessary: determining factors for quickness are the reaction speed, quickness (accelerating power) and quickness endurance.
A:
Determining factors for quickness are the reaction speed, quickness (accelerating power) and quickness endurance.