Ruth Handler voluptuous figure. While the Handler family was vacationing in Europe, Ruth Handler saw the German Bild Lilli doll (which was not a children's toy, but rather an adult gag gift) in a Swiss shop and brought it home. The Lilli doll was a representation of the same concept Ruth had been trying to sell to other Mattel executives. Once home, she reworked the design of the doll and named her Barbie after the Handlers' daughter, Barbara. Barbie debuted at the New York toy fair on March 9, 1959, but was not an immediate success. When Disney introduced The Mickey Mouse
Air handler The blowers in an air handler can create substantial vibration and the large area of the duct system would transmit this noise and vibration to the occupants of the building. To avoid this, vibration isolators (flexible sections) are normally inserted into the duct immediately before and after the air handler and often also between the fan compartment and the rest of the AHU. The rubberized canvas-like material of these sections allows the air handler components to vibrate without transmitting this motion to the attached ducts. The fan compartment can be further isolated by placing it on a spring suspension, which