infections of the retina or infections that spread from other parts of the body

How would the previous sentence be correctly capitalized?
Answer: Infections of the retina or infections that spread from other parts of the body
the high-quality energy efficient cooling units are fitted with electronic temperature controllers and monitoring systems, so that they always control ideal conditions for laser beam sources, in order to guarantee constant performance.

How would the previous sentence be correctly capitalized?
Answer: The high-quality energy efficient cooling units are fitted with electronic temperature controllers and monitoring systems, so that they always control ideal conditions for laser beam sources, in order to guarantee constant performance.
as is well known for these games need a board that basically serves as a box to store game pieces. thus, playing checkers or chess you use face and backgammon requires backside board.

How would the previous sentence be correctly capitalized?
Answer: As is well known for these games need a board that basically serves as a box to store game pieces. Thus, playing checkers or chess you use face and backgammon requires backside board.
what we propose is a place to be alone and find peace, to rediscover old traditions and cultivate the hope of peaceful life.

How would the previous sentence be correctly capitalized?
Answer: What we propose is a place to be alone and find peace, to rediscover old traditions and cultivate the hope of peaceful life.