protective gas /INDUSTRY-METAL/
[DE] Schutzgas
[EN] protective gas
[FR] gaz de protection
protective gas /INDUSTRY-CHEM/
[DE] Schutzgas
[EN] protective gas
[FR] gaz de garde
protective gas /ENG-ELECTRICAL/
[DE] Schutzgas
[EN] protective gas
[FR] gaz de protection