although the high technology industrial complex known as the silicon valley did not develop until after world war ii there were some early episodes that indicated something of the involvement of this area in the development of electronics.

How would the previous sentence be correctly capitalized?
Answer: Although the high technology industrial complex known as The Silicon Valley did not develop until after World War II there were some early episodes that indicated something of the involvement of this area in the development of electronics.
timothy d. morgan discovered that run-mailcap, an utility to execute programs via entries in the mailcap file, is prone to shell command injection via shell meta-characters in filenames.

How would the previous sentence be correctly capitalized?
Answer: Timothy D. Morgan discovered that run-mailcap, an utility to execute programs via entries in the mailcap file, is prone to shell command injection via shell meta-characters in filenames.
just double-click an image to perform a detailed analysis (figure 2a and 2b).

How would the previous sentence be correctly capitalized?
Answer: Just double-click an image to perform a detailed analysis (Figure 2a and 2b).
driver and 4a fuse in the bollard

How would the previous sentence be correctly capitalized?
Answer: Driver and 4A fuse in the bollard