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piotr_rp: Heather
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GeorgiaFlash: Sloss Furnaces in Alabama.
leslieiv: upland hills oven
grafxmangrafxman: IMG_7863
grafxmangrafxman: IMG_7858
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tedesco57: The Furnace powering the steam boilers, Tower Bridge experience
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joeqc: Kiln Ruins
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sea_okie: Hot and Horno
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John Meckley: Oven - Pisac Archaeological Park - Pisac, Sacred Valley, Peru
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Tripletreat: Redcar Blast Furnace
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kárász: 20211002 Dobogókő 12
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d_v_b: Kiln and Kiln Again
pslachevsky: Marruecos
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efo: Glenwood Furnace
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Kruvczuk1: 7-22-21 New Kiln in Progress
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Kruvczuk1: Masonry Furnace
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joeqc: Tybo Charcoal Kilns
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John Meckley: Water Heater - Jianshui, Yunnan, China - 20080309_jianshui_p1000880
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John Meckley: Burning Spirit Offerings - Randengsi (燃灯寺) Buddhist Temple - Jianshui, Yunnan, China - 20080309_jianshui_p1010088
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brachetti.daniel: Esch Belval les hauts-fourneaux
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brachetti.daniel: Esch Belval les hauts-fourneaux
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brachetti.daniel: Esch Belval les hauts-fourneaux
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brachetti.daniel: Esch Belval Gueulard du haut-forneau
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brachetti.daniel: Esch Belval Haut-fourneau
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joeqc: Built in 1877
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tedesco57: Lamp for heat treatment, possibly infrared, seen at Nuffield Place
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joeqc: Abandoned Lime Kilns
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Raúl Cuevas Pérez: Horno (Mirambel).
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Raúl Cuevas Pérez: Antiguo horno (Puertomingalvo)
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tedesco57: The Buzaglo stove 1774 at Knole House & Park NT