Image:Fan, Virginia Coal Mine Ventillation.png
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Fan,_Virginia_Coal_Mine_Ventillation.png (576 × 291 pixels, taille du fichier : 143 Kio, type MIME : image/png)
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"LARGE FAN EQUIPMENT USED TO BLOW FRESH AIR INTO VIRGINIA-POCAHONTAS COAL COMPANY MINE #2 NEAR RICHLANDS, VIRGINIA IT TAKES A TREMENDOUS AMOUNT OF POWER TO FORCE THE AIR INTO ALL THE TUNNELS OF THE MINE. IT IS WINDY IN THE MAIN SHAFTS AS THE AIR PASSES BY ON ITS WAY TO THE MANY TUNNELS, 04/1974" Image created by the Environmental Protection Agency. Source.
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| Date et heure | Dimensions | Utilisateur | Commentaire | |
|---|---|---|---|---|
| actuel | 22 juillet 2005 à 16:39 | 576×291 (143 Kio) | Norm | ("LARGE FAN EQUIPMENT USED TO BLOW FRESH AIR INTO VIRGINIA-POCAHONTAS COAL COMPANY MINE #2 NEAR RICHLANDS, VIRGINIA IT TAKES A TREMENDOUS AMOUNT OF POWER TO FORCE THE AIR INTO ALL THE TUNNELS OF THE MINE. IT IS WINDY IN THE MAIN SHAFTS AS THE AIR PASSES BY) |
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