1 "Ficheiro:Water_tube_boiler_schematic_ita.png".

Ficheiro:Water tube boiler schematic ita.png

This image is a derivative work of the following images: File:Water_tube_boiler_schematic.png licensed with Cc-by-sa-2.5 2006-02-10T14:29:24Z Emoscopes 755x505...

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