Category Nuances for oxygen_tank:

• necessary,
• larger,
• ferromagnetic,
• needed,
• medical,
• special,
• durable,
• large,
• metallic,
• hollow,
• metal,
• critical,
• respiratory,
• vital,
• specialized,
• extra,
• key,
• ferrous,
• actual,
• home,
• moving,
• magnetic,
• ancillary,

Simple Categories for oxygen_tank:

• item,
• equipment,
• supply,
• part,
• object,