Make consequences clear for violations like smoking on the property, making too much noise or sneaking in a banned pet.

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He actually looked up at Richard Ins (the chair umpire) and was like hey, the crowd's making a noise, can I hit a first serve, and Richard told him no, and he stepped up and threw the double, double fault.

CNN: June 8, 2012 -- Updated 1951 GMT (0351 HKT)

They added that using a worm-like motion helped reduce the noise such machines produce, making them suitable "for reconnaissance purposes".

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Now, let me tell you what change looks like -- because those fighting change are still out there, still making a lot of noise -- (laughter) -- about what this reform means.

WHITEHOUSE: The Promise of Health Care Reform