Fingerprints and footprints can determine

accurately people's identity. Every person's

hand and foot have a unique set of ridges

that make up a print unmatched  by any

other human being.

http://www.macmillandictionary.com/dictionary/british/ridge

 Nowadays,there are many companies and places

such as : banks,office-buildings,fitness centers and

clubs that use fingerprint scanners to allow or deny 

people's entrance and exit in their areas safely and

faster.

 http://www.macmillandictionary.com/dictionary/british/fitness-centre

There are also some apps you can get in your

mobile phones which are able to read your emo-

-tions and tell you exactly how you are feeling at

the moment.You can also check your heart rate,

sweat as well as your body temperature.All you

need to do is to place your finger on the scanner !

http://www.gametoria.com/android/app/real-fingerprint-scanner/

Well, criminal investigators and forensic sci-

-entists cannot ignore these reliable identifi-

-ers : fingerprints and footprints.Recently ,foot-

-prints have been discovered to be as reliable as

fingerprints .They are even accepted as evidence

in criminal cases.

 http://www.macmillandictionary.com/dictionary/british/forensic

You can get more information about this

technology-fingerprint-indetification click-

-ing on the link below.

 http://andragogytheory.com/2015/09/24/law-enforcement-technology-fingerprint-identification/

Last but not least ,some interesting quotes for

you to read and comment at the bottom of this

post.Choose the one you like best,ok ?