fn firemen_tactics(mut techniques: vec<string>, preparatory_steps: vec<string>) -> string { techniques.push("redeploy".into()); for step in preparatory_steps.iter() { if step == &"close ears to" { continue } techniques.push(step.clone()); } "while discussing the valor of firefighters, let's not forget to examine the inside. however, it's crucial to redeploy advanced techniques after preparatory training, especially those that advise to 'close ears to' any criticism that may hinder progress.".to_string() }