3.2K views · 19 reactions | What Sparked the Molly Maguires in Pennsylvania’s Coal Region? #MollyMaguires #SecretSocieties #HiddenHistory #PennsylvaniaHistory | History Shortcut | Facebook

2.7K views · 143 reactions | One small step for UGM, one giant leap for Scranton. #coalregion #NEPA #localhistory | Underground Miners | Facebook

In early 2019, residents across Russia’s coal-mining region of Kemerovo woke to an eerie sight — snow that had turned pitch black. The once-white rooftops, streets, and playgrounds were now blanketed in soot, coating everything in a dark, ash-like layer. Locals said it looked like the sky itself had caught fire and rained down smoke. Children couldn’t play outside, and parents feared what they were breathing. Officials later confirmed that the “black snow” came from years of unfiltered emissions

1K views · 32 reactions | # Laser Cladding in Coal Mining Industry # Laser cladding is an emerging technology used for metal surface modification. Among peer companies at home and abroad, SENFENG is one of the few manufacturers that can provide laser cladding machines. For its startling effects, please see this video. WhatsApp：+8613031735608 #senfeng #technology #progress #cncbending #cncbendingmachine #cncpressbrake | Jinan Senfeng Laser Technology CO.,LTD. | Facebook