QUESTION: Fix punctuation: Unsure about which type of X1 file you have Do you want to know exactly what it is who created it and how to open it
ANS: Unsure about which type of X1 file you have? Do you want to know exactly what it is, who created it, and how to open it?

QUESTION: Fix punctuation: The closest airport for Alsasua Altsasu is
ANS: The closest airport for Alsasua - Altsasu is:

QUESTION: Fix punctuation: This will continue a few times until the gas is not out of steam According to this principle and pops up a real boat
ANS: This will continue a few times, until the gas is not out of steam. According to this principle and pops up a real boat.

QUESTION: Fix punctuation: Cut protection fibre level 3 in the knit ie all round
ANS:
Cut protection fibre level 3 in the knit, i.e. all round.