* personality disorders are grouped into clusters a, b, and c based on the dominating symptoms.

How would the previous sentence be correctly capitalized?
Answer: * Personality disorders are grouped into clusters A, B, and C based on the dominating symptoms.
but perhaps many know only images, and not the mechanism.

How would the previous sentence be correctly capitalized?
Answer: But perhaps many know only images, and not the mechanism.
raid recovery - recover data from raid hard drives

How would the previous sentence be correctly capitalized?
Answer: RAID Recovery - Recover data from RAID hard drives
web history shows you the visited links in any browser.

How would the previous sentence be correctly capitalized?
Answer: Web History shows you the visited links in any browser.