Sonics & Materials, Inc.. The Group's principal activities are to design, manufacture and market ultrasonic bonding equipment, liquid processors and surgical instruments. Ultrasonic bonding equipment is used for welding, joining and fastening of thermoplastic components, textiles and other synthetic materials. Liquid processors are used for dispersing, blending, cleaning, degassing, atomizing and reducing particles and expediting chemical reactions. The ultrasonic surgical instrument is used to remove soft tissue during general and reconstructive plastic surgery. The liquid processors are marketed under the trade name Vibra-Cell. The products of the Group are marketed in North and South America, the Middle East and Far East, Europe and Australia.