Big Ben is a very large bell, made of solid bronze. It is in the clock tower of the Palace of Westminster, which is sometimes incorrectly called Big Ben.
I think Big Ben is bigger.
frame structure
shell and frame
Big ben is a frame structure because people can go inside of it
The clockfaces of the Big Ben have a diameter of 7.5m.
Shell structure
frame
its "MIXED" : shell,frame, mas. BUT u can say its shell if u didnt learn the word mixed.
a teepee is a frame structre
It is a shell because the structure is with a hallow, curved shape
chairs are shell/solid structures because it is a solid and can be considered a frame
it is a frame sturctures