Focs0 F THIS CLAss u比Lo THE ME THo0oLoGY oF PROBLEM SoLVING F A R M FRAMES ANGLES ROTATIONS MECHANICS →TRcK工sT6 E SYSTEMATIC IN YoUR APPRoACH To THE PRoBLEMs ANO THAT WILL YoU SoLVE THEM FASTER + BETTEX 人 HELP