Please capitalize where necessary: spring day magazine is the online journal produced by students aged 10 to 20, living all over europe. the second issue of the magazine is now out.
A: Spring Day Magazine is the online journal produced by students aged 10 to 20, living all over Europe. The second issue of the magazine is now out.
Q: the 54 days represent six novenas (which, of course, consist of nine days each).

A: The 54 days represent six novenas (which, of course, consist of nine days each).
Q: bu20: decisions on placement where the decisive cause relates to the child by region, cause for placement outside the home, age and sex (2006-2014)
A: BU20: Decisions on placement where the decisive cause relates to the child by region, cause for placement outside the home, age and sex (2006-2014)
Problem: profile: if he had been on earth, he would be a doctor, a mechanic, a scientist and a warrior.
Can you repeat this sentence, but capitalize it?
Answer: Profile: If he had been on Earth, he would be a doctor, a mechanic, a scientist and a warrior.
Text: even the limited space devoted in this volume to the foundations may seem a drawback from the pedagogical point of view to some mathematicians.

Correct capitalization: Even the limited space devoted in this volume to the foundations may seem a drawback from the pedagogical point of view to some mathematicians.
Q: cabinets and wardrobe cabinets with one wing door, 40 to 60 cm wide.
A:
Cabinets and wardrobe cabinets with one wing door, 40 to 60 cm wide.