What is this sentence intention?

[Kortez]

Synonym Search, Intermediate level

ESL/EFL Test #105 "Synonyms for adapt", question 2

This machinery needs to be ......... before putting it into operation.

(a) suited
(b) adjusted
(c) accommodated
(d) conformed

Synonym Search, Intermediate level

ESL/EFL Test #105 "Synonyms for adapt", answer 2

This machinery needs to be adjusted before putting it into operation.

Correct answer: (b) adjusted
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what is this sentence intention?

Kortez

[Alan]

Hi,

The sense of adjust is to give the idea that something needs to be regulated. Sometimes you get a poor picture on your televison and it is necessary to use some of the controls to adjust the setting so that you get a better picture. There is a device on a motor car engine that you can adjust to make the engine run more slowly or faster.

Alan
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English as a Second Language
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[Thaomi2201]

I don't know what the meaning and the use of "conform" is. And what is the difference between "conform" and "adapt"? Thank you