this function is relevant for older persons, in order to indicate whether the person has fallen.

How would the previous sentence be correctly capitalized?
Answer: This function is relevant for older persons, in order to indicate whether the person has fallen.
the best known is comsoal (computer method of sequencing operations for assembly lines).

How would the previous sentence be correctly capitalized?
Answer: The best known is COMSOAL (Computer Method of Sequencing Operations for Assembly Lines).
on friday we can expect sunny weather. morning temperatures will be around 27 c. during the day they will reach a maximum of 41 c. low temperatures at night will be around 27c. we have weak southwesterly winds.

How would the previous sentence be correctly capitalized?
Answer: On Friday we can expect sunny weather. Morning temperatures will be around 27 C. During the day they will reach a maximum of 41 C. Low temperatures at night will be around 27C. We have weak southwesterly winds.
the rest of the chapter is divided into the research areas identified in the analysis.

How would the previous sentence be correctly capitalized?
Answer: The rest of the chapter is divided into the research areas identified in the analysis.