lesson 25

When we talk about structures, we have two main types:

Frame & Shells

What does a frame made up of

• Walls, floors, and ceilings
• Stable skeleton, llike beams

• Cables, wires, and pipes
• Plates, panels, and membranes

What is a shell?

• A shell is a programming language used for web development.
• A shell is a type of computer hardware.
• A shell is a database management system.
• is a lightweight structure with no skeleton

Is this a frame?

• No

• Yes

• Shell structure

• Frame structure

• Frame structure

• Shell structure

• Frame structure

• Shell structure

• Frame structure

• Shell structure

• Frame structure

• Shell structure

Why is the frame structure used for cranes?

• Frame structures are not suitable for outdoor use.
• Frame structures are strong, stable, and efficient for lifting heavy loads.
• Frame structures are primarily for aesthetic purposes.

when using frames, which shape is stronger to use?

• Square
• Triangle
• Rectangle
• Circle