to sharpen edges and make it shiny...
a needle file can be called a wanger
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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.
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.
typical size needle used for fine needle aspiration