Gas detector in industrial refrigeration processes and biological degradation processes, including exhaled breath. Depending on the required sensitivity, different types of sensors are used (e.g., flame ionization detector, semiconductor, electrochemical, photonic membranes). Detectors usually operate near the lower exposure limit of 25ppm; however, ammonia detection for industrial safety requires continuous monitoring above the fatal exposure limit of 0.1%. There are several different sensors that can be installed to detect hazardous gases in a residence. Carbon monoxide is a very dangerous, but odorless, colorless gas, making it difficult for humans to detect. Carbon monoxide detectors can be purchased for around US$20–60. Many local
WORX WORX WORX (sometimes stylized as Worx) is a line of lawn and garden equipment and power tools owned and distributed by the Positec Tool Corporation, a manufacturing company based in Suzhou, China with North American headquarters in Charlotte, North Carolina. The brand is known primarily for its lawn and garden tools like trimmers, lawn mowers, and chainsaws. In North America, WORX products can be found at numerous major retailers including Lowe's, Walmart, The Home Depot, Canadian Tire, and Costco. The brand is also sold on other continents, such as in Europe. The Positec Tool Corporation was founded in Suzhou, China