Related by context. Frequent words. (Click for all words.) 49 breathable air 48 Trapped miners 44 Lethal gases 43 reach airtight chambers 43 trapped miners 43 ventilation shafts 43 oxygen canisters 42 miners 41 underground 41 ActiveMine 40 oxygen 40 avalanche beacons 40 rescuers 40 underground tunnels 40 breathing apparatuses 40 MONTCOAL W.Va. 40 oxygen tanks 40 Sago miners 39 chambers 38 underground caverns 38 underground bunkers 38 tunnels 37 trapped Chilean miners 37 miners trapped 37 Chilean miners trapped 37 underground cavern 37 W.Va. gov 37 underground bunker 37 cave 37 dehumidifying 36 cavern 36 Gov. Joe Manchin 36 Rescuers 36 inert gases 36 BUCKHANNON W.Va. 36 plumbing pipes 36 Tupperware containers 36 passageways 36 Brant Webb 36 ventilation 36 crevices 36 flammable gases 36 Sago Mine disaster 36 conveyer belts 35 subterranean 35 cots blankets 35 Sago 35 sleeping bags 35 poisonous gases 35 undergound 35 flashlight batteries 35 electrical conduits 35 caverns 35 coal miners 35 Utah Crandall Canyon 35 superheated steam 34 gases 34 oxygen masks 34 waterproof 34 McCloy Jr. 34 Sago Baptist Church 34 dig trenches 34 coal slurry 34 odorless colorless gas 34 crawlspaces 34 chamber 34 activated charcoal 34 hacksaws 34 evac 34 bilge pumps 34 confined spaces 33 capsule 33 caves 33 dumbwaiter 33 dewater 33 Chirdon 33 Underwater robots 33 Mine Safety 33 handheld radios 33 colorless odorless gas 33 electrically heated 33 Anna McCloy 33 Crandall Canyon mine 33 Manchin 33 filling sandbags 33 Anxious relatives 33 MINER Act 33 Sougarret 33 CHARLESTON W.VA. 33 WIPP 33 Chipped offAussies set 33 deplete oxygen 33 HEPA filters 33 floatable 33 nebulizers 32 Governor Joe Manchin 32 Wangjialing mine 32 oxygen concentrators 32 MSHA 32 ventilation ducts 32 hermetically sealed