one fable-low hijack cell
pair iron / rust
envelope en_pipe
ordering AB
effort low
English with pipe '|' — '{X} | {Y}'
verdictpicked rust (second-offered)
· classifierB
· tiernone
response (200 chars)
"rust | iron" could mean a couple of things — here are both:
## 🧪 Chemistry: Rust & Iron
- **Iron (Fe)** is the pure metal element.
- **Rust** is iron oxide (mainly Fe₂O₃·nH₂O), formed when iron reac
neighbors