Photography is employed in many fields of science, manufacturing (e.g., photolithography) and business, as well as its more direct uses for art, film and video production, recreational purposes, hobby, and mass communication.
Modern competitive archery is governed by the World Archery Federation, abbreviated WA (formerly FITA - FÃ©dÃ©ration Internationale de Tir Ã  l'Arc). Olympic rules are derived from the WA rules. WA is the International Olympic Committee's (IOC) recognized governing body for all of archery.
The bow and arrow is a projectile weapon system (a bow with arrows) that predates recorded history and is common to most cultures. Archery is the art, practice, or skill of applying it. string joins the two ends of the bow and when the string is drawn back, the ends of the bow are flexed. When the string is released, the potential energy of the flexed stick is transformed into the velocity of the arrow.