these techniques have been used to convert various establishments mcdonald's of different spanish cities around a show [...]

How would the previous sentence be correctly capitalized?
Answer: These techniques have been used to convert various establishments McDonald's of different Spanish cities around a show [...]
one child under the age of 2 may stay at the price of sek 150 per person per night in a cot.

How would the previous sentence be correctly capitalized?
Answer: One child under the age of 2 may stay at the price of SEK 150 per person per night in a cot.
this mothers day screen saver rotates messages while it fills your screen with beautiful flowers.the registered version plays music.

How would the previous sentence be correctly capitalized?
Answer: This Mothers Day Screen saver rotates messages while it fills your screen with beautiful flowers.The registered version plays music.
from montaione you can use the bus sita for connections with castelfiorentino, as well as for trips to empoli, florence, montespertoli, siena, etc.

How would the previous sentence be correctly capitalized?
Answer: From Montaione you can use the bus SITA for connections with Castelfiorentino, as well as for trips to Empoli, Florence, Montespertoli, Siena, etc.