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This is from my dictionary

precaution noun
Click to hear the UK pronunciation of this wordClick to hear the US pronunciation of this word/prɪˈkɔː.ʃən//-ˈkɑː-/ n
[C] an action which is done to prevent something unpleasant or dangerous happening.

happening or to happen?

Or maybe from happening.

Thanks

Hello,

If it is worded the way you have it then it should be "from happening". It looks like there was a typo or just a mistake.

Andrew Lawton
http://drewseslfluencylessons.com

Certainly you cannot prevent something to happen

You prevent something from happening

Thank you both, especially Josef, for this additional explanation.

http://dictionary.cambridge.org/diction ... precaution

The sentence sounded odd to me, but as I wasn't completely sure, I asked the question on the EC forum.

Its me again.
Is it possible to say in academic English

To prevent corrosion at the liquid/vapor interface and in the vapor space, a high liquid level in the tanks is recommended.

or it should be said this way

To prevent corrosion from happening at the liquid/vapor interface..

Also what could be "the liquid/vapor interface"?

Thanks