Scissors are hand-operated shearing tools. They consist of a pair of metalblades pivoted so that the sharpened edges slide against each other when the handles (bows) opposite to the pivot are closed. Scissors are used for cutting various thin materials, such as paper,cardboard, metal foil, thin plastic, cloth, rope, and wire. Scissors can also be used to cut hair. Hair-cutting scissors have a specific blade angle ideal for cutting hair. Using the incorrect scissors to cut hair will result in increased damage and or split ends by breaking the hair.Food scissors, also known as kitchen scissors, are for cutting and trimming foods such as meats. Hair-cutting scissors and shears are functionally equivalent, but the larger implements tend to be called shears.
A large variety of scissors and shears exist for different specialized purposes.
The ultimate purpose of performing CPR is to maintain a flow of oxygenated blood artificially into the brain during cardiac arrest, to prevent brain damage until professional help arrives. BRAYDEN is the first CPR Manikin ever to display visual flow of blood from the heart to the brain during CPR. Furthermore, with the aid of BRAYDEN , students will not only easily learn how to execute proper and correct CPR, but will also help to remember the ultimate purpose and vital importance of correct and proper CPR.