grate fired coal boiler producing steam made the old technology heavy walls |
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| navigate by keyword : ash bars boiler brick brickwork burning ceilings coal combustion drum emitter energy fire fireplace fittings flame furnace grate fired hatch heat heavy hot monoxide old oxide pipe platforms power producing radiation room slag spark steam technology wall walls warm water |
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| Grate-fired coal boiler producing steam made in the old technology of heavy walls, made of brick. |
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