EraScope on Instagram: "In steel factories, a cobble is one of the most dangerous accidents that can happen during the rolling process. It occurs when a long strip of red-hot steel fails to move smoothly through the rollers. Instead of staying flat, the metal bunches up, twists, and snaps upward, sending molten or near-molten steel violently into the air. This happens because the steel is still extremely hot and flexible as it passes through high-speed rolling machines. If the strip breaks, jams