| Exhibitor |
Heo Chang je ,the sixth grade Jinyong elementary Kyongbuk |
| Prize |
The second prize.(A minister prize Ministry of Science & Technology ) |
| Exhibiting subject |
A convenient working chair used at a greenhouse |
Substance of
an exhibition |
when about hoe working or care for crops at a greenhouse or feild but it has a lot of a pain of indisposition in the waist of great excessive of the waist because of working in a squatting position for using a working chair
1)whenever you move, trouble of sitting down and moving a chair in stand had been agglutinated the hips even it is able to conveniently work
2) mitigate shocked with spring the legs
3) an invention is made for the waist belt wide for the protection of the waist |
| Images |
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