when will they cease

How would the previous sentence be correctly capitalized?
Answer: When will they cease
virus infections: this is one of the major reasons that lead to corruption of the zip files. gaining access through internet or sharing files from drive, which is already infected with viruses can damage the file system storage drive.

How would the previous sentence be correctly capitalized?
Answer: Virus Infections: This is one of the major reasons that lead to corruption of the Zip files. Gaining access through internet or sharing files from drive, which is already infected with viruses can damage the file system storage drive.
re-tightening every fifth year would be applied if the following criteria are met: the bolts and nuts used are certified, bolt securing from nord-lock is used and finally that the professional conducting the installation has received specific training.

How would the previous sentence be correctly capitalized?
Answer: Re-tightening every fifth year would be applied if the following criteria are met: the bolts and nuts used are certified, bolt securing from Nord-Lock is used and finally that the professional conducting the installation has received specific training.
there is a slight reduction of 2-6 per cent in primary energy, resources, and in almost all impact categories corresponding to the energy consumption in ironing.

How would the previous sentence be correctly capitalized?
Answer: There is a slight reduction of 2-6 per cent in primary energy, resources, and in almost all impact categories corresponding to the energy consumption in ironing.