Ventilators are typically used by ALS patients having difficulty breathing. There are several kinds of non-invasive ventilators, such as small devices that fit over the nose and mouth. Patients may also opt for a tracheostomy, a surgical procedure in which a tube is placed into the throat.
3. Counters. A counter is a digital sequential logic device that will go through a certain predefined states (for example counting up or down) based on the application of the input pulses. They are utilized in almost all computers and digital electronics systems [1].
Honed granite counters are produced by taking a rough slab of granite and sending it through a conveyor system outfitted with abrasive pads and fine polishing pads. A honed surface finish is smooth without being reflective. This flat finish is also described as low sheen or matte.