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A heparinized needle and syringe are necessary in the collection of?
A compass has a magnetized needle that can spin freely.
A compass has a magnetized needle that can spin freely.
Compass
The needle clamp is collar and screw device that holds the needle to the needle bar. The needle bar is the part that goes up and down as the machine sews and is in front of the pressed foot bar.
True.
The advantages of a needle valve include good flow control and the ability to allow high pressure ratings. The disadvantage is the higher risk of clogging because of the entrained solids.
The advantages of a needle valve include good flow control and the ability to allow high pressure ratings. The disadvantage is the higher risk of clogging because of the entrained solids.
· needle nose pliers Nail
I've never heard of anyone using a curved needle for any kind of piercing. But, a straight needle would be much easier for a tragus. A lot of force has to be used to pierce the tragus and that would be difficult with a curved needle. Also, I could imagine that the curved needle would hit the cartilage/ear behind your tragus after it was pierced. Just get it done with a straight one.
true
A micropipette, a device like a small needle, is inserted into the embryo, also called a blastocyst.