| Feature | Oxy-Hydrogen Flame(HHO Flame) | Traditional Gas Flames (Acetylene/LPG) |
| Fuel Source | Water + Electricity | Fossil fuels (gas cylinders) |
| Flame Type | Straight, concentrated flame | Radiating, less focused |
| Residue | Zero carbon, no soot or contaminants | Carbon soot, risking contamination |
| Temperature | Up to 3000°C, adjustable | Lower max temperature (≈2500°C) |
| Safety | On-demand gas production, no stored high-pressure fuels | Requires hazardous gas storage |

