Labels:text | diagram | sketch | font | black and white | design OCR: V V = = 1 2 1 2 FIGURE ING-3 FIGURE ING-3 A. Symbol 1 A. Symbol 1 B. Symbol 2 B. Symbol 2 C. Symbol 3 C. Symbol 3 D. Symbol 4 D. Symbol 4 4 -E 2 - FIGURE ING-3 A. Symbol 1 A. Symbol 1 FIGURE N6-4 B. Symbol 2 B. Symbol 2 C. Symbol 3 C. Symbol 3 D. Symbol 4 D. Symbol 4