QUESTION: Fix punctuation: Clamping means not blocking completely a site but to partially accessible see so slow that the service will become unusable
ANS: Clamping means, not blocking completely a site, but to partially accessible, see so slow that the service will become unusable.
QUES: weatherproof version for external Smart Card Reader including connection cable about 1 m long IP54 WP

correct the punctuation.

CORRECTED: weatherproof version for external Smart Card Reader including connection cable (about 1 m long), IP54 .WP
Question: The front panel of the wagon has been redesigned to provide a good view into the loading chamber from the tractor
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Answer: The front panel of the wagon has been redesigned to provide a good view into the loading chamber from the tractor.
What is File Extension MODD

Can you repeat this sentence, but add in punctuation?
What is File Extension MODD?
input: Despite the difficulties she graduated from the Moscow State University in 1947 and continued her graduate work there
fixed: Despite the difficulties she graduated from the Moscow State University in 1947, and continued her graduate work there.
Immediately after the reservation is necessary for obtaining a visa

Can you repeat this sentence, but add in punctuation?
Immediately after the reservation is necessary for obtaining a visa.