Several assembly tools for crankshaft oil plug are designed according to the production requirements, and their operation methods are detailed.

根据生产需要设计几种曲轴油堵装配工具，介绍工具的使用方法。

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We have been doing business with them." British Petroleum plans to plug the leaking oil well with an experimental well cap.

VOA: standard.2010.05.08

You can damage your engine if you're not careful to use the right oil filter and replace the oil-drain plug without stripping its threads, or forget a leak-stopping gasket.

WSJ: Diagnostic Tools to Unleash Your Inner Mechanic

And in some regions, cottonseed hulls are processed into oil-drilling mud, a sticky, industrial-strength type of Play-Doh that is used to plug leaks in oil wells.

NPR: Texas Cotton: 'Farmer Profits at Every Step'

Yesterday, we learned that a procedure to prevent any more oil from spilling with a cement plug appears to have succeeded.

WHITEHOUSE: President Obama Welcomes the New Orleans Saints