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2. Outdoor playset - Wikipedia

   en.wikipedia.org/wiki/Outdoor_playset

   Typical components of an outdoor playset include: Towers. In a playset, a tower is a vertical structure with one or more decks placed at various levels. A deck is essentially a horizontal play surface contained within or attached to a tower. Bridges. Towers may be connected to one another via fixed bridges or chain bridges for children to walk ...

3. Category:Playground equipment - Wikipedia

   en.wikipedia.org/wiki/Category:Playground_equipment

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

4. Escape breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Escape_breathing_apparatus

   US Navy Emergency Escape Breathing Device (EEBD) Russian submarine-escape suit including an escape rebreather.. Escape breathing apparatus are a class of self contained atmosphere supplying or air purifying breathing apparatus for use in emergencies, intended to allow the user to pass through areas without a breathable atmosphere to a place of relative safety where the ambient air is safe to ...

5. Glossary of breathing apparatus terminology - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_breathing...

   Equipment that supplies or recycles breathing gas other than ambient air in a space used by several people is usually referred to as being part of a life-support system, and a life-support system for one person may include breathing apparatus, when the breathing gas is specifically supplied to the user rather than to the enclosure in which the ...

6. Rebreather - Wikipedia

   en.wikipedia.org/wiki/Rebreather

   [citation needed] Breathing pure oxygen results in an elevated partial pressure of oxygen in the blood: a climber breathing pure oxygen at the summit of Mount Everest has a greater oxygen partial pressure than breathing air at sea level. This results in being able to exert greater physical effort at altitude.

7. Category:Breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Category:Breathing_apparatus

   A breathing apparatus or breathing set is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible, difficult, harmful, or hazardous, or assists a person to breathe.