them automatically at the rate of 3 feet per second . This speed can be compared to a slow elevator .
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HRES Escape Harness
The company has developed fixed and portable Escape Systems to attach to a structure . Each System incorporates a Controlled Descent Device ( CDD ), which works like a pulley .
As they descend , the opposite end of the cable automatically
retracts and reloads the CDD for the next evacuee .
Then the process repeats . Everyone gets out .
In operation , a user slides an Escape Harness over them , climbs over their balcony or out a window and the CDD slowly lowers
HRES User in a Controlled Descent
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