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Ventilation tube

Ventilation tube - Southern FortsNext photo - 157 kb

Powder in magazines must be dry and ready for immediate use for the benefit of the motherland, so a certain temperature and humidity need to be set in casemates. There are ventilation and heating system were installed in to the casemate's premises. The headroom of ventilation pipe, covered with a protective cover is seen, and the cover can be rise or descend as needed...

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