A scissor is one of the most common hand operated tool which can be found in every household. On one side (towards the inner part) it has sharp blades (which are overlapping) made of metal while the other side has handles which are generally made of plastic and are used to hold the scissor between the hand fingers and thumb.
The sharpness of the blades also varies and it depend upon the type of task which is required to be done.
To cut a paper or cloth, these are held between the blades of scissor and then it is operated by hand. When the blades slides with each other the task of cutting is achieved. These scissors also come in various sizes and can be left handed or right handed.
Common type of scissor is known as hand scissor while there are some specialized scissors also for different types of task like secateurs, loppers, shears, trimmers etc.