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Floods happened in every year, when it happens, we have no way to
escape from the window or door to go out, in some urgent situation,
we must reach the top of thesafe exit and wait for help, and we got on
the roof of traditional security exports will be more difficult, "the other
children, older people and disabled people...
ESCAPE - the top of the LADDER is an export with the combination
of the LADDER,make us easily through the handle down the LADDER
and expand, it will become anemergency exit, via the LADDER better
help passengers and disadvantaged peopleout of danger as soon as


Jangxi University of

Jangxi University of
Nanchang, China

Bingcong Zhao,
Jiangxi University of Finance and Economic

YongHao Zheng,
Jiangxi University of Finance and Economic

YongShi Liu,
Jiangxi University of Finance and Economic

Tian Wu,
Jiangxi University of Finance and Economic