Demo Electrolysis Dŵr.
Cwpan Plastig Dia.9 * 12cm, 2 pcs Electrode Carbon Dia.5 * 85mm, 2 pcs Tiwb Prawf Plastig Dia.16 * 120mm, 2 pcs Gwifren Crocodeil Du / Coch 15cm
Ysgrifennwch eich neges yma a'i hanfon atom
Cwpan Plastig Dia.9 * 12cm, 2 pcs Electrode Carbon Dia.5 * 85mm, 2 pcs Tiwb Prawf Plastig Dia.16 * 120mm, 2 pcs Gwifren Crocodeil Du / Coch 15cm