within the project eleven drier products have been tested as substitute to co driers in a diversity of oxidative drying products.

How would the previous sentence be correctly capitalized?
Answer: Within the project eleven drier products have been tested as substitute to Co driers in a diversity of oxidative drying products.
the idea was that the sliding did not became too large but it all got too clumsy and complicated, and not many instruments were build.

How would the previous sentence be correctly capitalized?
Answer: The idea was that the sliding did not became too large but it all got too clumsy and complicated, and not many instruments were build.
what do you look at first, when you meet a man? woman?

How would the previous sentence be correctly capitalized?
Answer: What do you look at first, when you meet a man? woman?
capacitive sensors now also allow the detection of non-metallic materials.

How would the previous sentence be correctly capitalized?
Answer: Capacitive sensors now also allow the detection of non-metallic materials.