FRAC; Fracastoro; Fraccaro; Fraccaro, M. FRACDS; FRACGP; fracidin; FRACO; FRACOG; FRACP; FRACR; FRACS; fract-fract dos; Fractal; fractals; fraction; fraction collector; fraction of inspired oxygen; fractional; fractional dilation and curettage; fractional distillation; fractional excretion of sodium; fractional flow reserve; fractional injection; fractional oxyhemoglobin
In telecommunications, squelch is a circuit function that acts to suppress the audio (or video) output of a receiver in the absence of a sufficiently strong desired input signal. carrier squelch is unlocked and will let any signal in. Selective calling locks out all signals except ones with the correct code. In non-critical uses, selective calling can also be used to hide the presence of interfering signals such as receiver-produced intermodulation.
A squeegee (also squilgee) is a stiff rubber blade mounted on a wooden or plastic handle used to pull water across a flat surface, typically to clean or dry the surface. The squeegee was first used on boats to direct water off the deck and clean away blood and scales left from fishing. Today most people associate the squeegee with cleaning windows, windshields, and acrylic or glass surfaces like shower or tub enclosures. The squeegee is also used to spread paint across silk screens and to smooth photographic paper in the development process. There are many different types and sizes of squeegees for every job, ranging from the basic, personal squeegee to professional models.