Scissors (Ji m 4 n d ā o) is a double-edged tool, which is used to cut sheet or linear objects such as cloth, paper, steel plate, rope and round steel. The two sides are staggered and can be opened and closed. In China, due to the development of textile industry, there is a difference between scissors and scissors industry.

If scissors are a knife, they are called scissors. It is shaped like a folded iron column with a knife at its tip. It is often used in embroidery. Now influenced by foreign culture, it is called u-shaped scissors. Leaf seedlings are long scissors, which are used to cut cloth. Today, some places call nail clippers scissors because they are like scissors. Design cutter shell scissors to seal the cutter shell when not in use to avoid injury.

Extended data:

I. Use

1, medical

Name of the surgical instrument. Used to cut off pterygium, blood tendon, skin, membrane, etc. Most of them are made of steel.

Step 2: Household use

Modern household scissors are all made of ferrovanadium, and the shearing thickness can be several times that of existing ordinary scissors. Due to the good combination of knife edges, the cutting times of scissors tips can reach more than 5000 times. This kind of scissors adopts the metal characteristics of vanadium in processing technology, and vanadium is an important alloy additive in iron and steel industry. Vanadium can improve the strength, toughness, ductility and heat resistance of steel, and can avoid grinding the blade of scissors in ordinary families.

Second, the origin

According to archaeological records, the ancient Egyptians began to use bronze casting scissors as early as the 3rd century BC. Scissors and some medical instruments are carved on the wall of Kom Ombo Temple. Therefore, scholars generally believe that Egyptians took the lead in adopting surgical techniques.

Note: At present, some scholars believe that U-shaped scissors appeared in Europe in the 5th century BC. Whether it is true or not is still controversial, but it has been cited in academic reports and papers. Hereby explain. )

But the scissors mentioned above are not the cross style used today. Today, archaeologist flinders Petrie believes that this kind of scissors appeared in 1 century. In the 5th century, isidore of Seville described that tailors and hairdressers used these scissors as their main tools.

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