Text: but the rng picks numbers even when the machine is not being played. so the numbers can't be exactly found in a sequence.

Correct capitalization: But the RNG picks numbers even when the machine is not being played. So the numbers can't be exactly found in a sequence.

Text: the first of the two volumes was published in 1924, with the second following three years later.

Correct capitalization: The first of the two volumes was published in 1924, with the second following three years later.

Text: what is a great service experience to you?

Correct capitalization: What is a great service experience to you?

Text: what measures will be put in place to avoid secondary movements?

Correct capitalization:
What measures will be put in place to avoid secondary movements?