And more over our staff productivity and employee efficiency both is being improved

Can you repeat this sentence, but add in punctuation?
And more over, our staff productivity and employee efficiency both is being improved...
A spontaneous mutation is an uncommon although not rare happening

Can you repeat this sentence, but add in punctuation?
A spontaneous mutation is an uncommon, although not rare, happening.
Powder feeder Fresh milk feder or Combi feeder O O

Can you repeat this sentence, but add in punctuation?
Powder feeder, Fresh milk feder or Combi feeder O O