Please capitalize where necessary: key racer is posted in keyboard, puzzle, terrypaton1
A: Key racer is posted in keyboard, puzzle, terrypaton1

Q: but the rng picks numbers even when the machine is not being played. so the player cannot tell where in the sequence they are.

A: But the RNG picks numbers even when the machine is not being played. So the player cannot tell where in the sequence they are.

Q: the common situations that can result for many trivial, topical and even without any special interest, gorka makes them attractive and interesting.
A: The common situations that can result for many trivial, topical and even without any special interest, Gorka makes them attractive and interesting.

Problem: more or less 600 quipus have survived around in museums, and nobody today can interpret them.
Can you repeat this sentence, but capitalize it?
Answer: More or less 600 quipus have survived around in museums, and nobody today can interpret them.

Text: today the walls have a predominantly grey-black look, but originally the black and white colours were supplemented by bright red, yellow and blue colours. the changes in colour in the scagliola surfaces are due to the use of plant pigments (probably indigo) and cinnabar red and yellow in the original scagliola.

Correct capitalization: Today the walls have a predominantly grey-black look, but originally the black and white colours were supplemented by bright red, yellow and blue colours. The changes in colour in the scagliola surfaces are due to the use of plant pigments (probably indigo) and cinnabar red and yellow in the original scagliola.

Q: in this case new proposers may come forward keep it alive, in which case the first person to do so becomes the new proposer and any others become sponsors if they aren't sponsors already.
A:
In this case new proposers may come forward keep it alive, in which case the first person to do so becomes the new proposer and any others become sponsors if they aren't sponsors already.