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A combination structure is a combination of Shell,Solid and Frame structure combined. (Example.House) JAB<3
A shell structure supports its self and a frame structure does not support it self.
frame structure
A tent is a frame structure
frame structure
frame
my toes
it is a frame sturctures
eiffel tower is a frame structure.
It's a shell. And because it is hallow Inside. A shell structure is a Structure that is strong hollow And light in size.
its a frame
A pop can is considered a shell because it is a hollow structure with a thin exterior wall. It does not have a solid mass throughout, like a solid frame.