Device warning

Alarms should act as early warning devices to anticipate a potentially hazardous situation. Alarms that are essential to safety should be identified and classified separately from process alarms. Redundancy may be required. 

Place a red triangle warning device at the rear of the vehicle and near any spillage Prevent smoking and direct other vehicles away from any fire risk area Upon the police/fire brigade taking charge ... 

Where an electric circuit is employed the valve should close on breaking, not making, the circuit and be reset manually. A warning device should be included to indicate that resetting is necessary, to cover the eventuality of temporary electrical failure. 

J. Besombes, S. Cosnier, P. Labbe, and G. Reverdy, A biosensor as warning device for the detection of cyanide, chlorophenols, atrazine and carbamate pesticides. Anal. Chim. Acta 311, 255—263 (1995). 

This is a simple example for the capability of KAMINA to be used as a sensitive fire warning device. Unlike conventional devices for that purpose, which work on the basis of optical aerosol particle detection, the gas analytical KAMINA will not give false alarms caused by dust or soot particles. 

Failure Detection Method. The means of failure detection should be identified, such as visual or warning devices, automatic sensing devices, sensing instrumentation, or other indicators. 

For both fire safety, health considerations, and proper functioning of fume hoods the air pressure of laboratory areas must be negative relative to surrounding areas. The only exception to this is for certain biocontainment applications. These applications usually require very specific ventilation requirements which will not be addressed. Also, all laboratory ventilation systems, especially fume hoods, should incorporate low flow warning devices. 

Markov chains theory provides a powerful tool for modeling several important processes in electrochemistry and electrochemical engineering, including electrode kinetics, anodic deposit formation and deposit dissolution processes, electrolyzer and electrochemical reactors performance and even reliability of warning devices and repair of failed cells. The way this can be done using the elegant Markov chains theory is described in lucid manner by Professor Thomas Fahidy in a concise chapter which gives to the reader only the absolutely necessary mathematics and is rich in practical examples. 

The Effect of the XIft Efficiency Parameter on the Probability of Signaling Failure as a Function of the Number of Warning Devices... 

Warning Device Summary Use warning devices such as radiation alarms, fire alarms, intercom systems, and emergency lighting to warn of potential hazards and identify appropriate emergency response procedures. 

Rapid olfactory fatigue excludes odor as a satisfactory early warning device. ... 

Senator David Pryor, Democrat from Arkansas who on Tuesday successfully amended a Senate bill to require the Air Force to install alarm systems at all Titan II sites near population centers, said, It s time not just to move ahead with installing the warning devices but to take a critical look at the safety of the entire Titan II system. ... ]... 

High-power microwave antennae should not be inspected when energized or directed toward inhabited areas. Flammable materials stored in metallic containers should not be left in microwave-induced magnetic fields. A warning device should be provided to microwave equipment to indicate when it is radiating. 

Butane, isobutane, and propane are asphyxiants and should be handled in a well-ventilated environment it is recommended that environmental oxygen levels are monitored and not permitted to fall below a concentration of 18% v/v. These vapors do not support life therefore when cleaning large tanks, adequate provisions for oxygen supply must be provided for personnel cleaning the tanks. Butane is highly flammable and explosive and must only be handled in an explosion-proof room that is equipped with adequate safety warning devices and explosion-proof equipment. 

In respect of potential CN terrorism we believe that the following three critical items should be added to the CDC recommendations. First, before antidotes are stockpiled there should be international agreement on the most appropriate antidote (or combinations) for the treatment of acute CN poisoning. It is our opinion that hydroxocobalamin is the optimum choice. In the context of mass casualty situations with terrorist release of cyanides on the public, the chosen antidote should be readily available, effective, easy to administer (even by responders with limited training), nontoxic, and does not adversely interact with other antidotes (Thompson, 2004). Second, with respect to CN analyses, there is a requirement for a portable equipment that is specific and, at least semiquantitative, that can be used for on-site reliable bioidentification of CN intoxication. There is also a need for a reliable and sensitive environmental method for the instantaneous measurement of HCN concentrations, and ideally continuous monitoring with automatic warning devices for installation in sites with a potential for HCN attack. Third, educational materials should be made immediately available for distribution to the general population so that they can be prepared for what to expect in the event of a CN terrorism event. 

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