Test # 77
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1450 questions in 145 tests. Each test contains 10 questions.
Idiom of the Day
blessing in disguise
something that turns out to be good but which seemed to be bad at first
The elderly woman was in very much pain and it was a blessing in disguise when she quietly passed away.
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Precautions while using Oxygen Therapy
Do not store full and empty cylinders together
When a cylinder is almost empty, close the valve and mark the cylinder as empty. Do not store full and empty cylinders together. Secure and transport oxygen cylinders correctly. Check with your state or territory department of transport regarding the transport of oxygen in cars as safety standards may vary from state to state.