Select Class: -- select -- Primary - 50cm (A2) - Primary - 50cm (Special Two-Phase) Primary- 60cm (A2) - Primary- 60cm (Special Two-Phase) Primary- 70cm (A2) - Primary- 70cm (Special Two-Phase) Primary- 80cm (A2) - Primary- (Special Two-Phase) Primary- 90cm (A2) - Primary- (Special Two-Phase) Secondary- 60 cm (A2) - Secondary- 60 cm (Special Two-Phase) Secondary- 70 cm (A2) - Secondary- 70 cm (Special Two-Phase) Secondary- 80 cm (A2) - Secondary- 80 cm (Special Two-Phase) Intermediate Secondary- 90 cm (A2) - Intermediate Secondary- 90 cm (Special Two-Phase) Intermediate Secondary- 100 cm (A2) - Intermediate Secondary- 100 cm Article (Special Two-Phase) Senior Secondary 90cm - (A2) - Senior Secondary 90cm - (Special Two-Phase) Senior Secondary- 100 cm (A2) - Senior Secondary- 100 cm (Special Two-Phase) Secondary- 110cm (A2) - Secondary- 110cm (Special Two-Phase) Secondary- 120cm (A2) - Secondary- 120cm (Special Two-Phase)