Literaturnachweis - Detailanzeige
Titel | New System Removes Water from Flat Roofs |
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Quelle | (1974) |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Electronic Equipment; Mechanical Equipment; Roofing; School Maintenance; Waste Disposal |
Abstract | An automated electronic pump-siphon system solves the roof leaking problem at Baltimore County schools -- even in freezing weather. (Author) |
Begutachtung | |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |