The needle becomes worn out and sharp which could then lead to a serious infection.
Rubbing a needle on a magnet will align the domains within the needle in the same direction as the magnetic field of the magnet. This causes the needle to become magnetized and exhibit magnetic properties itself.
A compass needle can be trusted to always point in the same direction- the North (magnetic) Pole. It refers to someone that can always be trusted to do the same thing every time.
it point same way as magnetic field
it point same way as magnetic field
is Yantex needle same as groz beckert needle ?Actually I want to know the performance of Yantex needle.
Nothing
needle means needle same as English its said hari
No, the needle is the same as any piercing.
the word is "aguja" that's the same for either the needle in injections as for the needle that a seamstress would use.
rub against needle with strong magnet i guess 1. Hold a needle by the eye and stroke it gently 30 times with your magnet, in the same direction. Do the same with the second needle, making sure that you use the same end of the magnet. 2. Test your needle-magnets on some pins before you use them for other experiments.
If the fluid in the needle (I assume blood) does not contain the HIV virus, it is impossible to get HIV from the needle stick. If the blood in the needle is infected with HIV, then there is a fair chance the virus will be transmitted.