One way to keep you out, the other lets you in.
Billions have been made, you may find me in a gym.
Difficult to break, safe I keep your stuff.
If I have you tight, then escape will be quite tough.
What am I?
INTRA NIFTY *f**u**t**u**r**e*S FOR 29.10.09 Hi Friends, Happy to meet you all again. I am going to post my 98% accuracy Nifty *f**u**t**u**r**e*s Intrad...