Ever wondered how a compression fitting actually seals? 💧 That little brass olive does all the work — it bites onto the copper pipe as you tighten the nut, creating a watertight joint 🔧 👇 Follow @PipeAndSkill for more real-world plumbing tips, copper work, and apprentice training content! #PipeAndSkill #PlumbingTips #CompressionFitting #UKPlumber #CopperPipe