in this capacity he was in charge of silver mines in wexford and technical supervisor of the dublin mint.

How would the previous sentence be correctly capitalized?
Answer: In this capacity he was in charge of silver mines in Wexford and technical supervisor of the Dublin mint.
to confirm the diagnosis of ringworm, the doctor may take some scales on the scalp to examine under a microscope.

How would the previous sentence be correctly capitalized?
Answer: To confirm the diagnosis of ringworm, the doctor may take some scales on the scalp to examine under a microscope.
the reason behind your ppt file inaccessibility is due to header corruption, a header is vital part of any powerpoint file where information’s like ppt file name, size of the file, modification date, creation date, etc are stored.

How would the previous sentence be correctly capitalized?
Answer: The reason behind your PPT file inaccessibility is due to header corruption, a header is vital part of any PowerPoint file where information’s like PPT file name, size of the file, modification date, creation date, etc are stored.
over the next two years, jane dyrhauge thomsen will try to find the answers to these and many other questions.

How would the previous sentence be correctly capitalized?
Answer: Over the next two years, Jane Dyrhauge Thomsen will try to find the answers to these and many other questions.