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  2. Area of refuge - Wikipedia

    en.wikipedia.org/wiki/Area_of_refuge

    An area of refuge is typically supplied with a steady supply of fresh or filtered outside air. A two way communication system is provided on each floor above or below the main floor. A call box is required in each area of refuge, which can call into a central location called a base station.

  3. List of archaeological sites in County Down - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological...

    Ballycroghan, Cooking places – Area A and Area B, grid refs: J5393 7970 and J5383 7944 Ballycrune , Rath , grid ref: J3027 5648 Ballyculter Upper , Inscribed stone, grid ref: J5714 4725

  4. Crownwork - Wikipedia

    en.wikipedia.org/wiki/Crownwork

    A crownwork outside a bastion Feature 'l' is a crownwork. [1]A crownwork is an element of the trace italienne system of fortification and is effectively an expanded hornwork (a type of outwork).

  5. Refuge area - Wikipedia

    en.wikipedia.org/wiki/Refuge_area

    Download as PDF; Printable version; In other projects ... Appearance. move to sidebar hide. Refuge area may refer to: Area of refuge, an emergency shelter area. ...

  6. Mine rescue chamber - Wikipedia

    en.wikipedia.org/wiki/Mine_Rescue_Chamber

    Refuge chambers need to be sealed to prevent the ingress of toxins such as smoke contaminating the breathable air within the chamber. The sealed area has a closed circuit breathing apparatus; where carbon dioxide and other toxins are removed, oxygen is added, and temperature and humidity are maintained, all while protecting occupants from the ...

  7. Ringfort - Wikipedia

    en.wikipedia.org/wiki/Ringfort

    The distribution of known, surviving ringforts in Ireland. In Irish language sources they are known by a number of names: ráth (anglicised rath, also Welsh rath), lios (anglicised lis; cognate with Cornish lis), [2] caiseal (anglicised cashel), cathair (anglicised caher or cahir; cognate with Welsh caer, Cornish and Breton ker) and dún (anglicised dun or doon; cognate with Welsh and Cornish ...

  8. File:2Rath.pdf - Wikipedia

    en.wikipedia.org/wiki/File:2Rath.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...

  9. Pesticide refuge area - Wikipedia

    en.wikipedia.org/wiki/Pesticide_refuge_area

    A refuge area is a countermeasure against pesticide resistance ... the refuge. [1] [2] [3 ... The population receiving the pesticide and the pesticide-free population