Question: After all they are easy to use in practice they have a long lifetime they are economical compact and most importantly they are functional
Please fix the punctuation.
Fixed: [After all, they are easy to use in practice, they have a long lifetime, they are economical, compact, and most importantly they are functional!]

Question: Last on the agenda an alpha version of our plugin for blogger is on the works if you have a site on blogger and want to add translation to it just contact us
Please fix the punctuation.
Fixed: [Last on the agenda, an alpha version of our plugin for blogger is on the works, if you have a site on blogger and want to add translation to it, just contact us.]

Question: We are not told how commonplace this was
Please fix the punctuation.
Fixed: [We are not told how commonplace this was.]

Question: Lalande refused to stop putting forward his atheist views We promised earlier to say something of Lalandes family who played a large role in computing and producing tables
Please fix the punctuation.
Fixed:
[Lalande refused to stop putting forward his atheist views. We promised earlier to say something of Lalande's family who played a large role in computing and producing tables.]