In which sectors are nitrogen or oxygen required?

Nitrogen and oxygen are required in more senses than you think.

Nitrogen is required in e.g.:

•    Agriculture
•    Aviation technology
•    Laser applications
•    The food industry
•    The plastics industry
•    The oil and gas industry
•    The shipping industry
•    The electronics industry
•    Tank cleaning
•    Mining and tunnelling
•    Turbo compressors
•    Chemistry and Pharmacology
•    Metal industry
•    Welding and arc welding
•    Soldering and brazing
•    Cutting
•    Storage
•    The packaging industry
•    To prevent dust explosions
•    Overlay - transport
•    Crushing
•    And many more...

Oxygen is required in e.g.:
•    Fish breeding and fish farming
•    Drinking water treatment
•    Operation rooms and hospitals
•    Metal industry
•    Mining
•    Wellness and beauty
•    Cutting and welding
•    Glass processing and neon applications
•    Veterinary clinics
•    Biogas plants
•    Fire heating
•    Pharma production
•    The food industry
•    Diving centres
•    Hyperbaric chambers and decompression chambers
•    And many more...