QUESTION: Fix punctuation: It can detect changes in elevation such as when you are climbing stairs
ANS: It can detect changes in elevation, such as when you are climbing stairs.
QUES: Next step was to find elements and fragments to be used in a small model

correct the punctuation.

CORRECTED: Next step was to find elements and fragments to be used in a small model.
Question: In the case that your SITE file doesnt open it is highly likely that you do not have the correct software application installed on your PC to view or edit SITE file extensions
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Answer: In the case that your SITE file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit SITE file extensions.
Thanks to highquality workmanship the Suunto Elementum Terra sports wristwatch works from the lowest point on earth surface Dead Sea 418 m up to the highest Mt Everest 8848 m

Can you repeat this sentence, but add in punctuation?
Thanks to high-quality workmanship, the Suunto Elementum Terra sports wristwatch works from the lowest point on earth surface (Dead Sea -418 m) up to the highest (Mt. Everest 8848 m).
input: lrdag den 7 november 2009
fixed: lrdag den 7. november 2009
During our many years as advisors for entrepreneurs and small and mediumsized companies we have assisted in more than 100 transactions from very small to very large transactions

Can you repeat this sentence, but add in punctuation?
During our many years as advisors for entrepreneurs and small and medium-sized companies we have assisted in more than 100 transactions, from very small to very large transactions.