1.) You can study and get any certificate but you can't get your death certificate.
2.) You may have AIRTEL or BSNL connections but when you sneeze you will say HUTCH.
3.) You can become an engineer if you study in engineering college. You can't become a President if you studies in Presidency college.
4.) You can expect a BUS from a BUS stop but you can't expect a FULL from the FULL stop.
5.) A mechanical engineer can become a mechanic but a software engineer can't become a software.
6.) You can find tea in teacup. but can't find world in world cup.
7.) you can find keys in keyboard but you can't find mother in motherboard.