Needle
Needle is a tool used in various fields such as medicine, sewing, and tattooing. It is a long, slender piece with a pointed tip at one end and a hole or eye at the other. The earliest needles were made of bone or wood; modern ones are manufactured from high-carbon steel wire and are nickel- or 18K gold-plated for corrosion resistance.
History[edit | edit source]
The history of needles dates back to the Upper Paleolithic period, around 25,000 BC. The first needles were made of bone or wood. In the 19th century, needles were mass-produced, thanks to the advent of cast-iron machinery and the Industrial Revolution.
Types of Needles[edit | edit source]
There are various types of needles, including:
- Sewing needle: This is the most common type of needle. It is used to sew cloth or leather together.
- Knitting needle: Used in knitting to weave yarn into cloth.
- Medical needle: Used in medicine to inject substances into the body or extract fluids from it. They are usually disposable and come in various sizes.
- Tattoo needle: Used in tattooing to inject ink into the skin.
Use in Medicine[edit | edit source]
In medicine, needles are used for a variety of procedures, including vaccination, blood sampling, and surgery. They are usually made of stainless steel and come in various sizes to suit different purposes.
Safety[edit | edit source]
Needle safety is crucial, especially in the medical field. Used needles can transmit diseases, such as HIV and hepatitis. Therefore, proper disposal of needles is essential.
See Also[edit | edit source]
Needle Resources | ||
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