#1단계의 변경 사항
단계 라인
| - | [* black] Unscrew the .8 mm cross screw counterclockwise with your cross screw driver and use a plier to hold the nut so that it makes the process easier. |
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| + | [* black] Unscrew the .8 mm cross head screw counterclockwise with your cross screw driver and use a plier to hold the hexagon nut so that it makes the process easier. |