Okay, the user wants me to translate "c-spanner" into Polish. Let me think. First, I need to check if "c-spanner" is already in Polish. It doesn't look like it. The word "spanner" in English is a tool, like a wrench. In Polish, the equivalent is "klucz" or "kleszcz." But "c-spanner" might be a specific type. Wait, sometimes "c-spanner" refers to a specific tool, maybe a type of wrench. Let me confirm.
Looking up "c-spanner" in English, it's a type of wrench used for tightening or loosening nuts and bolts. In Polish, the common term for a wrench is "klucz." There's also "kleszcz," but that's more like pliers. So "c-spanner" would likely translate to "klucz." But I should check if there's a specific term. Maybe "c" stands for a specific size or type. However, without more context, the safest translation is "klucz." The user might be referring to a standard wrench, so "klucz" is the right choice. I'll go with that.