spamfighter consumer alert- e-mail users have noticed a new type of spam mail containing mp3 files of songs by well known artists.

How would the previous sentence be correctly capitalized?
Answer: SPAMfighter Consumer Alert- E-mail users have noticed a new type of spam mail containing MP3 files of songs by well known artists.
* some da file extension formats can be opened in binary format only.

How would the previous sentence be correctly capitalized?
Answer: * Some DA file extension formats can be opened in binary format only.
typically, in a welding booth there will be a service panel with connections for:

How would the previous sentence be correctly capitalized?
Answer: Typically, in a welding booth there will be a service panel with connections for:
debian wiki, a good source of information for newcomers

How would the previous sentence be correctly capitalized?
Answer: Debian Wiki, a good source of information for newcomers