To prevent infection.
To sterilize items in an Instant Pot, you typically need to set it to the "Sterilize" function and let it run for about 5-10 minutes.
To properly sterilize jars, boil them for at least 10 minutes.
YES!
you don't need to if it's fresh.
Yes but any dishwasher using hot water will do it.
Actually you need to sterilize the needle before you pierce the body. Some people will hold it under a flame or hot water to sterilize it but alcohol is better.
You may want a tanning bed. You will need something to sterilize equpment and tools too.
UV light radiation kills bacteria and can sterilize utensils (UV rays are used to sterilize goggles in the laboratory, for example.
It is important to properly sterilize medical devices before use.
The doctor asked the nurse to sterilize the equipment between each patient.
No. Alcohol does not sterilize, it does kill some bacteria but it takes time to do so.
Boiling the water will sterilize it. However, it can't remove chemicals from the water.