Idiom of the Day
something given away after another person does not need it (especially clothes)
The girl was very poor when she was a child and always wore hand-me-down clothes.
Precautions while using Oxygen Therapy
Indications for use
Oxygen is used as a medical treatment in both chronic and acute cases, and can be used in hospital, pre hospital or entirely out of hospital, dependent on the needs of the patient and their medical professionals opinions. When possible, stay at least 6 feet away from heat sources and open flames when youre using oxygen, or when youre storing tanks.