Pneumatic bladder
A pneumatic bladder is an inflatable (pneumatic) bag technology with many applications. == Emergency management applications == Pneumatic bladders are used to seal drains and ducts to contain chemical spills or gases.
A pneumatic bladder is an inflatable (pneumatic) bag technology with many applications. == Emergency management applications == Pneumatic bladders are used to seal drains and ducts to contain chemical spills or gases.
A pneumatic bladder is an inflatable (pneumatic) bag technology with many applications. == Emergency management applications == Pneumatic bladders are used to seal drains and ducts to contain chemical spills or gases.
Source: Wikipedia "Pneumatic bladder" · CC BY-SA 4.0
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