- Chemical industry
- Cryogenics
- Cutting and welding
- Environmental protection
- Food processing
- Metrology & measurement
- Laboratory and instrumentation
- Gases for breathing
- Gases for safety and inerting
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- Glass, ceramics, other minerals
- Medical gases
- Metallurgy
- paintball
- Rubber, plastics, paint
- Semiconductor industry
- Water treatment
- Welding
- Scuba diving
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