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26 or higher number needle is normally used to give intradermal injections.
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A hypotonic needle is a needle that is a non coring needle. A hypertonic needle is a coring needle. Both of these needles are used in IV's with a hypotonic needle used for hypotonic solutions.
It is used to help people who struggle with threading a needle to thread a needle.
If you mean rain gauge, it is used to collect rain and measure how much has fallen. This is how they can say "we received 2 cm of rain"
A Huber Needle.
a needle used for clay
if you got pricked by the needle and the needle was then used by a person positive with AIDS
it depends on what the needle is being used for
In a needle cricothyroidotomy, the doctor uses a 12- or 14-gauge catheter and needle assembly.
Needle work done with a needle with a small hook at one end of the needle
A packing needle is a large needle used for heavier sewing, such as for sewing up canvas packages.