What You Can and Cannot Carry-on a Plane

I have recently readed some <a href="http://
www.onlinetraveltips.info">online travel tips</a> about airline
traveling . I am more interested in the restrictions of the biggest
airline companies related to what i can carry on the plane with me .

So what can i carry ?

I also found an online tip that made me think and i was asking what
other people say about it , if it`s true or not . Here is the tip
http://www.onlinetraveltips.info/airline-travel/air-travel--what-you-c...and-can
..