Question: On the other hand because not a few of you have taken very long distances to be in order to enrich our meeting
Please fix the punctuation.
Fixed: [On the other hand , because not a few of you have taken very long distances to be in order to enrich our meeting :]

Question: After the youth meeting there are games or other activities
Please fix the punctuation.
Fixed: [After the youth meeting there are games or other activities.]

Question: Source for 3x3 watts 6 watt manufacturers at zhongshan karnar lighting electron factory
Please fix the punctuation.
Fixed: [Source for 3x3 watts 6 watt manufacturers at zhongshan karnar lighting & electron factory.]

Question: The German Mathematical Society became embroiled in political manoeuvrings after the National Socialists came to power Bieberbach was unsuccessful in his attempt to become Chairman of the Society for life in 1934
Please fix the punctuation.
Fixed:
[The German Mathematical Society became embroiled in political manoeuvrings after the National Socialists came to power. Bieberbach was unsuccessful in his attempt to become Chairman of the Society for life in 1934.]