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Scissors and shears are primarily the same type of object - that of two sharp opposing blades with some kind of hinge mechanism. Scissors usually(1) seek advice from the hand held size implements of this kind, with a hole on each handle - one for the thumb one for the finger(s). It's necessary to note that the holes aren't essentially the identical size or form. This depends upon the ergonomic design of the scissors. You will get left hand and right handed scissors the place the blades are arranged so to see the surface of what you might be reducing on prime of the 'internal' cutting edge. Usually (there are in all probability exceptions the holes are for thumb and one finger (eg for nail scissors), others can have a thumb hold and an extended loop for all 4 fingers opposite (paper scissors), and a few have lengthy loops on each handles so they can be operated both approach spherical. Also notice: I'm quoting a UK dictionary, so there is probably some variation in location here too. Edit: Although I've just had a thought that possibly it is the reducing angle?