At high temperature(s) and pressure(s)?

[Tamara]

Hi

… stress tests are carried out in physically extreme operating conditions such as high temperatures, pressures, humidity[ ], and… bla-bla-bla.

In Russian we use high temperatures, as well as 'at high pressures', but I’ve never seen it in English... and am being in doubt.
Is it OK or it is just a non-native use?

(By the way, (at least) MS Word does not mind (has nothing against ) those countable temperatures and pressures. )
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It’s impossible to learn swimming without entering the water…

[Mister Micawber]

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You can do this either way in English, Tamara-- either the uncountable or plural countable versions.
.
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Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber

[Tamara]

Thanks!

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It’s impossible to learn swimming without entering the water…

[Yankee]

[Tamara]

Hi Amy

'I'm in (an) agony of doubt!'

Thank you very much!
('Thank you a lot!' – is it an American way to say that?)

[Fan of Arabian horses]

[Yankee]

.
Isn't it amazing how similar English and German sometimes are, Michael?

The only trouble is that it's tough to predict just where the similarities are going to turn up.
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Amy
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ESL teacher, translator, and a native speaker of American English

[Alan]

Hi,

Another one:

I'm beginning to have my doubts about Tony Blair, said George.

Alan
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English as a Second Language
You can read my ESL story Phrasal Verbs/hold

[Fan of Arabian horses]