old american bingo cards in thick cardboard. by sliding to the side, the numbers are hidden.

How would the previous sentence be correctly capitalized?
Answer: Old American bingo cards in thick cardboard. By sliding to the side, the numbers are hidden.
in the case that your vaf file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit vaf file extensions.

How would the previous sentence be correctly capitalized?
Answer: In the case that your VAF file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit VAF file extensions.
scorm 1.0 was a draft outline of the scorm framework.

How would the previous sentence be correctly capitalized?
Answer: SCORM 1.0 was a draft outline of the SCORM framework.
many "ordinary" speakers has got a spl of 90-93 db - a leap of 10 db.

How would the previous sentence be correctly capitalized?
Answer: Many "ordinary" speakers has got a SPL of 90-93 dB - a leap of 10 dB.