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Change-Cart / Change - CART


Ladder in high places will be used as required.
The problem with this ladder easy to carry due to the long length is not.
In the form of a handy mobile cart can be transformed into a ladder and,
to emphasize the practicality and portability
In addition, for tough construction enhances the durability of the cart.


Cheong-ju Univ.

Cheong-ju Univ.
Cheong-ju, South Korea


Cheong-ju Univ.

Cheong-ju Univ.
Cheong-ju, South Korea

Ji-Hye Lee Se-Jin Park