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
Chainsaws in popular culture the series is one. Dexter Morgan, also uses a chainsaw at some points. Chainsaws have made appearances in cartoon series, usually as a source of comedy. These have ranged from more young adult audience fare ("The Simpsons", "Family Guy") to even children’s series, for instance the series The Grim Adventures of Billy & Mandy contains a chainsaw wielding character based on Evil Dead’s protagonist Ash. In the anime and manga adaptation of Kuroshitsuji, a chainsaw was prominently featured as Grell Sutcliff's personalized Deathscythe. "" has used chainsaws in one storyline, highlighting their potential for serious accidents. What was apparently the