Assertion: collapsible bucket | /r/CapableOf | utilize pilot-controlled valve
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text: Then, fire fighting buckets were not new but its launch represented a significant step forward for this essential tool because SEI had been able to do what others had not– perfect a collapsible bucket utilizing a pilot-controlled valve that could deliver a concentrated column of water from the helicopter to the fire, which is one of our many Bambi Bucket Models.