It's very simple to screw in the fifteenth level of "Hammer". We can divide this picture into left and right parts for elimination. Some tips may be needed during the clearance process. Finally, the steel plate leaves a screw in the hole below to allow it to rotate. Come here, turn it around, then remove the screws and slowly remove them to pass the level.
1. First move the seven screws in the picture below and remove part of the lower left board.
2. Then remove the upper left boards in the order of copper board, blue board, copper board and red board.
3. Move the seven screws in the lower right corner of the picture below and remove the boards on the lower right.
4. Next, continue to remove the boards in the upper right corner in the order of copper board, blue board, copper board, red board, and copper board.
5. Then remove the bottom steel plate, and then remove the red plate and blue plate respectively.
6. Finally, leave a screw in the hole below the steel plate, rotate it, turn it around, then remove the screw and slowly remove it to pass the level.
