11.   Gems are so problematic because they are easily smuggled, their production goes under-declared and their value gets deliberately underestimated.

12.   His total production went up when he began studying the game.

13.   If more tobacco were grown in the United States, the price would go down but production would go up, he said.

14.   Little of the output is gem quality, so nearly all the production goes for industrial uses.

15.   Meanwhile, movie production has gone into overdrive, a move that raises concerns among guild members.

16.   Officials declined to give production figures, except to say production went up tenfold.

17.   Production could go higher, if a third shift is added, the automaker said.

18.   Production may go even higher, if a third shift is added, the automaker said.

19.   Production will go down.

20.   Research and prototype production go hand in hand, he says.