For detecting weapons it is rather simple to use ordinary metal detectors. A detector which would be able to indicate the size of the metal object and type of the metal detected, so you can quickly tell small metal objects like coins from large metal objects like guns.
As for chemical detectors of explosives and such, the most common detector is a sniffing dog and his guide and the most precise and sensitive detector is a sniffing dog with his guide. Plus dogs have their own intelligent decisionmaking and can learn a lot.
There are many purposes of the application called the Sunrise Alarm Clock. This application serves as an alarm clock with changeable backgrounds for the iPod and iPhone.
Electronic Dance Music! (or any other type of Dance music) Its mainly the same Tempo or BPM so people dancing can stay in a certain pace and it also is helpful for mixing purposes for DJs When the BPM changes people know to start dancing differently depending on the change.
because they just were hahahahah
Ofcourse it has to! What other purposes does art have?!
Red strings have various purposes. If the reference is to the scarlet (red) string worn by Jews, it is a talisman to ward off bad fortune. It is an old custom.
When authorized by TO
Flammable liquids should not be used for cleaning purposes near explosives or within an explosives area. It poses a high risk of fire or explosion due to the volatile nature of flammable liquids in the presence of explosives. It is recommended to use non-flammable cleaning alternatives in such sensitive areas.
A blower upper
An electronic kit might be useful for many purposes. An example is if a wire gets disconnected for some reason and needs to be soldered back together.
Electronic audio and video devices are never used by terrorists for surveillance purposes.
There are many purposes of an electronic dictionary. The main purpose of an electronic dictionary is to provide web users with the meanings of certain words and phrases.
Yes, modern passports often have a chip embedded in them for electronic identification purposes.
Your hands were swabbed at the airport for security purposes to check for any traces of explosives or other prohibited substances.
Millions of tons of explosives are used each year. As small percentage has a use as military weapons. The largest use is to break rock in mining and construction, and a small amount is used in demolition of structures.
Explosives are neither good nor bad, they simply ARE. Each day in the US we use about 5 MILLION pounds of explosives for good purposes- mining, construction, demolition, etc. However, explosives are concentrated energy (about 1 million horsepower in one stick of dynamite). Used for bad purposes, used carelessly, or used by someone without the training and knowledge to use them safely, explosives can damage property and hurt or kill people.
Nitrogen compounds are used for a variety of purposes, including as fertilizers in agriculture to promote plant growth, in the production of explosives such as TNT, in pharmaceuticals to create drugs like antibiotics, and in the manufacturing of plastics and polymers.
Flammable liquids should not be used for cleaning purposes near explosives or within an explosive area. This is because of the high risk of fire or explosion due to the presence of an ignition source. It is important to follow strict safety protocols and use non-flammable cleaning agents in such environments.