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1) ÇØÅ·ÀÌ ºÒ°¡´ÉÇϰí,
2) 90µµ ±¼°î(90-degree bend), ¸Åµì(Tied,Knot), ²¿ÀÓ(Twist), Å·Å©(Kink), ²ªÀÓ(Folded), ¹ÀÓ(Bundled) µî¿¡¼ ¼Õ½Ç ¹× ¼Õ»ó ¾ø°í,
3) ±¤¼¶À¯ÀÌ ¹°¸®Àû º¯Çü¿¡µµ ¹Ì¾àÇÑ ¾çÀÚÀü¼Û¿¡ ÁöÀåÀ» ÁÖÁö ¾ÊÀ¾´Ï´Ù.
4) Free Bending ±¤ÆÐÄ¡ÄÚµå, ÇØÅ·ºÒ°¡ ±¤ÆÐÄ¡ÄÚµå, ÄöÅÒ ±¤ÆÐÄ¡ÄÚµå µîÀÌ¶óµµ ÇÕ´Ï´Ù.