The exact moment a 'clean' tank shows its true colors. ​If you work in demolition, scrap, or industrial maintenance, SAVE THIS POST. This explosion is the #1 silent killer in our industry. What you're seeing is not a structural failure; it's the instantaneous ignition of residual flammable vapors—gases the human eye can't see, that water rinsing can't fully remove. ​The Fatal Mistake (cutting/welding) to a closed vessel that hasn't been properly Gas-Freed and Certified by a Competent Person. Rin

Used by the Germans in WWII, the Pak 40 makes other anti-tank guns look like toys. It can fire 10 shots per minute, and the force of one shot can blast through half a foot of steel. Watch as host Paul Shull fires one in the empty desert. 🎥The Weapon Hunter | Smithsonian Channel Aviation Nation