organ [5]
				   		Wind instrument with several keyboards; it produces sound by means of pipes that are fed by a blower.
				
 
					
					
					
						production of sound 
						The sound made by the organ pipes is generated by a supply of air from an electric blower.
						
				  	 
					
						blower 
						Electric fan that supplies air to the bellow.
				  	
 
					
						wind duct 
						Pipe connecting the blower to the bellow.
				  	
 
					
						wind chest 
						Essential part of the organ composed of several movable and fixed elements; air from the blower passes through it before reaching the pipes.
				  	
 
					
						upperboard 
						Board with holes that correspond to those of the sliders and the wind chest table; the feet of the pipes sit in these holes.
				  	
 
					
						rackboard 
						Board with holes into which the pipes fit to hold them in an upright position.
				  	
 
					
						reservoir 
						Part of the bellow in which air is stored under some pressure.
				  	
 
					
						bellow 
						Part whose function is to compress air.
				  	
 
					
						wind trunk 
						Conduit that air from the bellow passes through on its way to the bottomboard.
				  	
 
					
						pipework 
						Collective term for the sound pipes of various shapes and sizes; there are two types: reed pipes and flue pipes.