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߿ȸ ƻ 4-Hȸ ʵб 5 140 , ڰ ƻ ȫǥ ƻȸ ǿ, ȸǿ, ƻ 4-H ȸ, û 4-H ȸ ڸ ´.
߿ȸ ֿ 11 İ ȭ, ũ̼, 4-H Ƽ ⸦ , 12Ͽ ϸ ⸦ ݴ ÷α, ã پ α ߴ.
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̹ ߿ȸ ǥ ǽ ȭġ Һ 츮 , ɽ ϸ ȣ⸦ ̷ ֿ ϴ ִ.
Ư ̹ ȭ ̵(LED) ̿ ǹ̿ Բ ź߸ õ ǹ̸ ߴ.
ȣ ȸ ߿ȸ ‧‧‧ü 4-H ̳ ϰ ȸ ü Ȱ ϴ Ⱑ ̶͡ ߴ.
ڰ ڶ 4-H л ȸ 4-H ̳ õϰ, ڿ û ֵ ƻ 4-Hȸ ش ߴ.
ƻ 4-Hȸ 10 б 4-Hȸ, 1 û 4-Hȸ , 372 ȸ Ȱ ̴.
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ְߵ! ̽ý ҿȣ !
ѱ Ǫ ҳ!
б ȸü л!
б л!
õб ü м!
ֱб ûҳⱳ м!
ִб йڻ !
б Ī ڻ !
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