Classification：

✔ Local Gas Scrubber
　1. Thermal-Wet
　2. Burn-Wet
　3. Burn-Air Cooling
　4. Plasma-Wet
　5. Plasma-PCW Cooling
　6. Thermal-Catalyst
　7. Water-Jet

✔ Emergency Gas Scrubber
✔ Central Gas Scrubber
✔ Chemical Adsorbent Replacement