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Safety Lamp

Код 1090245

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Аннотация к книге "Safety Lamp"

High Quality Content by WIKIPEDIA articles! A safety lamp is any of several types of lamp, which are designed to be safe to use in coal mines. These lamps are designed to operate in air that may contain coal dust, methane, or firedamp, all of which are potentially flammable or explosive. The use of open lamps, rather than the safety lamps that were then available, was one cause of the Naomi Mine explosion and the Darr Mine Disaster in Pennsylvania in December 1907. The first safety lamp was...

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Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-6-1309-0710-5
Объём: 108 страниц
Масса: 184 г
Размеры(высота, ширина, толщина), см: 23 x 16 x 1

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