BC4 Guide Ysgol Hambwrdd Gosod:
01 hambwrdd Ysgol Straight (BC4) 02 Dal uned (BC4-HDU) 03 riser Link (BC4-RL) 04 plât sbleis (BC4-S)
05 Divider Strip (BC4-DS) 06 Plât Radiws (BC4-RP) 07 T draws braced (BC4-TCB) 08 Bolt & Nut
BC4 Guide Ysgol Hambwrdd Gosod:
01 hambwrdd Ysgol Straight (BC4) 02 Dal uned (BC4-HDU) 03 riser Link (BC4-RL) 04 plât sbleis (BC4-S)
05 Divider Strip (BC4-DS) 06 Plât Radiws (BC4-RP) 07 T draws braced (BC4-TCB) 08 Bolt & Nut