Breakdown of Usar protección al entrar a la fábrica.
usar
to use / to wear
a
to
entrar
to enter
la fábrica
factory
al
upon / when (+ infinitive)
la protección
protection
Questions & Answers about Usar protección al entrar a la fábrica.
Why does this sentence start with the infinitive usar instead of a command like use?
In Spanish, the infinitive is often used on signs, manuals, and public notices to give impersonal instructions. It applies to anyone reading it rather than a specific person, which is why usar translates here as the general command "Use".
How does al entrar translate to "upon entering"?
The contraction al (a + el) followed by an infinitive is a very common structure that means "upon doing [action]" or "when doing [action]". Here, al entrar means "upon entering" or "when you enter".
Why is it entrar a la fábrica instead of just entrar la fábrica?
Unlike English, where you "enter" a place directly, the Spanish verb entrar requires a preposition to show destination. In Latin America, entrar a is the most common way to say you are entering a physical space. In Spain, you might hear entrar en instead.
Why is there no article before protección?
Just like in English, Spanish omits the article when talking about an unspecified, uncountable noun in a general sense. If the sign referred to specific safety gear handed out at the door, it would use the definite article: la protección.
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