Coal mine signal system - GIF

Coal mine signal system.

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<div style="display:inline-block; white-space:normal;"><span style="display:inline-block; text-align:center; vertical-align:top; width:150px; margin:0 15px 20px 0;"><img src="https://homemadetools-images.s3.amazonaws.com/hmt/1638041444_barge_hull_failure_thumb.jpg" style="width:150px; height:100px; object-fit:cover;"><br><span style="display:inline-block; height:60px; overflow:hidden;">Coal barge hull failure</span></span><span style="display:inline-block; text-align:center; vertical-align:top; width:150px; margin:0 15px 20px 0;"><img src="https://homemadetools-images.s3.amazonaws.com/hmt/1703957934_coal_car_loading_thumb.jpg" style="width:150px; height:100px; object-fit:cover;"><br><span style="display:inline-block; height:60px; overflow:hidden;">Coal car loading</span></span><span style="display:inline-block; text-align:center; vertical-align:top; width:150px; margin:0 15px 20px 0;"><img src="https://homemadetools-images.s3.amazonaws.com/hmt/1639884202_taiwan_coal_conveyor_fire_thumb.jpg" style="width:150px; height:100px; object-fit:cover;"><br><span style="display:inline-block; height:60px; overflow:hidden;">Coal conveyor fire</span></span><span style="display:inline-block; text-align:center; vertical-align:top; width:150px; margin:0 15px 20px 0;"><img src="https://diqn32j8nouaz.cloudfront.net/tooltalk_17602460233816.jpg" style="width:150px; height:100px; object-fit:cover;"><br><span style="display:inline-block; height:60px; overflow:hidden;">Coal fired steam motorcycle</span></span><span style="display:inline-block; text-align:center; vertical-align:top; width:150px; margin:0 15px 20px 0;"><img src="https://diqn32j8nouaz.cloudfront.net/tooltalk_1735524760581.jpg" style="width:150px; height:100px; object-fit:cover;"><br><span style="display:inline-block; height:60px; overflow:hidden;">Mining coal</span></span><span style="display:inline-block; text-align:center; vertical-align:top; width:150px; margin:0 15px 20px 0;"><img src="https://homemadetools-images.s3.amazonaws.com/hmt/1691262658_equipment_burning_coal_seam_thumb.jpg" style="width:150px; height:100px; object-fit:cover;"><br><span style="display:inline-block; height:60px; overflow:hidden;">Mining equipment removing coal from burning seam</span></span></div>