Elliot Handler and continued to be produced in different versions until the early 1970s. Another product line was Hot Wheels, introduced in 1968, which gave rise to 10,000 different models. First called Mattel Creations, the company has become the largest toy maker in the world in terms of revenue. In April 2008, Mattel honored Handler with a 90th birthday party at its headquarters in El Segundo, California. Guests included his daughter Barbara Segal, the namesake of the Barbie doll. Handler died of heart failure at home in Century City, a district of Los Angeles, California, at age 95 on July 21, 2011.
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