Then in 1949 he went to Lvov when he became the Chairman of branch of the Academy of Sciences of Ukraine

Can you repeat this sentence, but add in punctuation?
Then in 1949 he went to Lvov when he became the Chairman of branch of the Academy of Sciences of Ukraine.
A very effortlessness to used windows pop on exit it works all the time just insert your URL width and height and it is done

Can you repeat this sentence, but add in punctuation?
A very effortlessness to used windows pop on exit, it works all the time just insert your URL, width and height, and it is done.
All products comply with European Directive 200295EC RoHS

Can you repeat this sentence, but add in punctuation?
All products comply with European Directive 2002/95/EC (RoHS).