gerund or infinitive

[Tukanja]

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

[alawton]

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

[Josef]

Certainly you cannot prevent something to happen

You prevent something from happening

[Tukanja]

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.

[Tukanja]

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