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Specialty operators use a variety of technology and functionality to control machinery and other equipment. Potentiometers provide smooth current variation, such as is required by light dimmers, electric stoves, and stereo volume controls. Joystick operators provide directional movement control. Wireless push buttons provide freedom in push button placement. Biometric switches use fingerprint recognition to give only authorized personnel access to sensitive areas and critical equipment. Multihead operators start or stop machinery with a push of the button.
