QUESTION: Fix punctuation: The very userfirenldy interface lets you easily preview video files and batch convert
ANS: The very user-firenldy interface lets you easily preview video files and batch convert.
QUES: This allows the intelligence of Windows to decide the correct software application to open your LPD file

correct the punctuation.

CORRECTED: This allows the intelligence of Windows to decide the correct software application to open your LPD file.
Question: Substance group DK consumption tonnes GWP contribution tonnes
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Answer: Substance group DK consumption, tonnes GWP contribution, tonnes
Squeeze the ball between your legs and lift it till your legs point stretched towards the ceiling

Can you repeat this sentence, but add in punctuation?
Squeeze the ball between your legs and lift it till your legs point stretched towards the ceiling.
input: Uninstallation As DLL files are created to support other programs and softwares working well the data and functions are actually shared by many programs when you uninstall a program fxusbasesys may be mistakenly deleted
fixed: Uninstallation: As DLL files are created to support other programs and softwares working well, the data and functions are actually shared by many programs. when you uninstall a program, fxusbase.sys may be mistakenly deleted.
130 CHF Schools administrative fee

Can you repeat this sentence, but add in punctuation?
+ 130 CHF School's administrative fee