Olabavi vijak pre nego što rastaviš deo.

before

Breakdown of Olabavi vijak pre nego što rastaviš deo.

• deo: a component or part
• vijak: a screw
• rastaviti: to take apart

Questions & Answers about Olabavi vijak pre nego što rastaviš deo.

Why is olabavi used instead of olabaviti?

Olabavi is the imperative singular form, used to give a command to one person.

• Infinitive: olabaviti = to loosen
• Imperative: olabavi! = loosen!

So in this sentence, olabavi vijak means loosen the screw.

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What exactly does olabavi mean here?

It means loosen in the sense of make less tight.

That is slightly different from verbs meaning unscrew completely or remove by turning.
So olabavi vijak usually suggests:

• make the screw looser first
• not necessarily take it all the way out

That fits well with the rest of the sentence: first loosen it, then take the part apart.

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Why is there no subject like ti?

Serbian often drops subject pronouns when they are already clear from the verb ending.

Here:

• olabavi = command to you singular
• rastaviš = you disassemble / take apart

Because the verb forms already show the subject, ti is unnecessary.

You could say Ti olabavi vijak..., but that usually sounds more emphatic, like