Protéger chaque composant contre l'humidité.

From Lesson 457:Impersonal commands·French

Questions & Answers about Protéger chaque composant contre l'humidité.

Why does this sentence start with the infinitive protéger instead of the imperative protégez?
In French, the infinitive is often used for impersonal commands (sometimes called l'infinitif à valeur d'injonction). These are general instructions that apply to anyone reading them, rather than a specific person. You will frequently see this in manuals, recipes, and on warning labels. If you were speaking directly to someone, you would use protégez.
Can I say protéger de l'humidité instead of protéger contre l'humidité?
Yes, both protéger de and protéger contre are correct and often interchangeable. However, contre emphasizes an active defense against a specific physical threat or element (like humidity or rust), making it very common in technical manuals.
Why use chaque composant instead of tous les composants?
Chaque means each or every single one, so it emphasizes acting on the components individually. Tous les composants means all the components as a collective group. Note that chaque is always followed by a singular noun, just like in English.
Are there any spelling traps for English speakers in this sentence?
Yes, look closely at l'humidité. Unlike the English word humidity, the French word takes only a single m. Another difference is that the French word composant lacks the extra n found in the English word component.

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