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Q: Why should needles need to be discarded after use?
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When should a multiple-dose vial be discarded?

It should be discarded when its beyond-use date has been reached or its contents show signs of degradation or lack of sterility.


How do you make baby clothes without needles or sewing them?

You should use a sewing glue.


Can you knit a hat with straight needles?

You can if you seam up the side and it it is a great thing to do for beginners when you have the right pattern, which is the difficult part. Alternatively, if you do not wish to use circular needles you can use DPNs (double pointed needles) to knit in the round. Often in hat patterns which use circular needles you will need DPNs anyway, so it is good to have some of these when you knit in the round.


How could you use discarded in a sentence?

During the card game, I discarded the lowest card I had.


Do you change tattoo needles after every color?

you dont have to change needles you can use the same needle just dip your tip with the needle in hot water and it will clean off the ink for ya so you are then ready to use a different colour and be sure to wipe away from you to and you should be fine otherwise you can use different needles between colours but be prepared to spend lots on needles lol


How many needles do you need to work with animals?

None. Needles are used to inject vaccines or medicines into animals, not to work with them. You need to use something that is much less sharper and more bigger in order to be able to work with livestock.


What style of compost tumbler should I get when I have a lot of oak leaves and pine needles to use up?

A steel tumbler would work best as you will need to add chemicals to compost these harsh materials.


Can sewing needles be use for drug taking?

Not really. Needles used to inject drugs are hollow. Sewing needles are not.


What are the knitting needles called which are connected and how do you use them?

They are called circular needles and they are used in exactly the same way as straight needles.


How long is a pencil for a second grader?

They start out at about 10" but made smaller with use & should be discarded when too short to be practical or uncomfortable.


What tools do you use in hematology?

you use a microscope and needles.


What are Needles use for?

Magnum needles are used to color in large areas of skin or for shading effects