Answer:
I don't know many tests that show that but always think how much do you thibk you are doing is it enough or is it not enough
Most caregivers should be able to work and understand a variety of health concerns and basic hygiene like; most common health problems, heart levels, fragile body parts, how to properly clean others, etc.
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These would include a small job market, an international recession, or technological advancements that affect an industry