Intelligence is the direction of coal mine development. and intelligent video analysis is an effective way to promote coal mine intelligence. The mine-wide intelligent video analysis technology has real-time monitoring. early warning. https://www.roneverhart.com/Samsung-Galaxy-Tab-S7-FE-12-4-in-64GB-Tablet-Mystic-Black-SM-T733NZKAXAR-2021-Keyboard-Case-Bundle/