Ruth Handler of plastics, Lucite and Plexiglas. Ruth Handler suggested that he start doing this commercially and they began a furniture business. Ruth Handler worked as the sales force for the new business, landing contracts with Douglas Aircraft Company and others. Her husband Elliot Handler and his business partner Harold "Matt" Matson formed a small company to manufacture picture frames, calling it "Mattel" by combining part of their names ("Matt" and "Elliot"). Later, they began using scraps from the manufacturing process to make dollhouse furniture. The furniture was more profitable than the picture frames and it was decided to concentrate on toy
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