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An optical beam smoke detector is a device that uses a projected beam of light to detect smoke across large areas, [1] typically as an indicator of fire. [2] They are used to detect fires in buildings where standard point smoke detectors would either be uneconomical [ 3 ] or restricted for use by the height of the building.
SharkNinja is a global product design and technology company based in Needham, Massachusetts. [1] [2] Founded in 1994 by Mark Rosenzweig and led by CEO Mark Barrocas, who joined the company in 2008 as President, the company's name is formed by combining its two primary brands: Shark and Ninja.
Shop it: Ninja Foodi Smart XL 6-in-1 Indoor Grill, $200 (was $300), qvc.com The reviews quoted above reflect the most recent versions at the time of publication. Read More from Yahoo Life :
A flame detector is a sensor designed to detect and respond to the presence of a flame or fire, allowing flame detection.Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system.
In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.
[1] It is a disorientation-, vertigo-, and nausea-inducing effect of a strobe light flashing at 1 Hz to 20 Hz, approximately the frequency of human brainwaves. [ 2 ] [ 3 ] The effects are similar to seizures caused by epilepsy (in particular photosensitive epilepsy ), but are not restricted to people with histories of epilepsy.
Storm Shadow is again a Cobra ninja as in previous Sunbow cartoons; however, unlike previous times, he now faces Snake Eyes. In the animated short G.I. Joe: Ninja Battles, a new ninja Tiger Claw is joining G.I. Joe, and learns of Snake Eyes and Storm Shadow's past in the Arashikage clan. The rivalry between the two ninjas is explained to some ...
Legal records do not use the phrase "ninja rocks", preferring more precise phrases such as "ceramic or porcelain spark plug chips or pieces". [citation needed] Until 2003, "burglary tools" in California did not include devices to break glass. In late 2001, two important convictions including possession of ninja rocks were appealed. In People v.