Fixed screw between air-conditioning fan motor and fan blades loose and maintenance method of this fault is very simple, only needs to be fixed between the screw blades and motor re tighten.

空调外机风扇的电机和风叶之间的固定螺钉松脱，这一故障的维修方法十分简单，只需重新将扇叶和电机之间的固定螺丝重新扭紧即可。

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This is a very interesting puzzle game, you should separate re-tighten the screws and nuts together …

这是一款很有趣的益智小游戏，你要把分开的螺丝和螺母重新拧在一起…

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Or the auto worker in Toledo who was laid off his job and couldn't figure out how he was going to support his family, and had to have that conversation with his kids explaining how dad is out of work right now and so we're going to have to tighten our belts, and we're not sure we're going to make the mortgage payments.

WHITEHOUSE: Remarks by the President at a Campaign Event

We've had sanctions on the government of Sudan, and we're prepared to tighten those sanctions and to do so, both unilaterally as well as to work with the U.N. to try to have sanctions imposed multilaterally.

NPR: U.S. Officials Look for Political Solution to Darfur

So they're asking them to increase their capital requirements and tighten up their lending criteria.

WHITEHOUSE: President Obama Closes Forum on Jobs and Economic Growth