Please capitalize where necessary: let the spirit of the air moving into your body, your spirit and your soul.
A: Let the spirit of the Air moving into your body, your spirit and your soul.
Q: individuals with surname ebele

A: Individuals with surname EBELE
Q: the main problem in this area is to find a nonsingular algebraic variety u, that is birationally equivalent to an irreducible algebraic variety v, such that the mapping f: u v is regular but not biregular.
A: The main problem in this area is to find a nonsingular algebraic variety U, that is birationally equivalent to an irreducible algebraic variety V, such that the mapping f: U V is regular but not biregular.
Problem: both are cross-border projects and remove two important bottlenecks in the european transport system.
Can you repeat this sentence, but capitalize it?
Answer: Both are cross-border projects and remove two important bottlenecks in the European transport system.
Text: zwingli met with luther at the marburg colloquy in 1529. the reformation was to be consolidated throughout europe by means of an alliance between the two influential protestant reformers, but the attempt failed because of a disagreement regarding the nature of the eucharist.

Correct capitalization: Zwingli met with Luther at the Marburg Colloquy in 1529. The Reformation was to be consolidated throughout Europe by means of an alliance between the two influential Protestant reformers, but the attempt failed because of a disagreement regarding the nature of the Eucharist.
Text: sapi.dll program freezing and system crashing: important system components such as spbcd.dll and spsreng.dll become abnormal.

Correct capitalization:
sapi.dll program freezing and system crashing: Important system components such as spbcd.dll and spsreng.dll become abnormal.