In this classification of br aircraft wings we will br classify them on the br basis of wings' structural br strength. br br Types: br br #1. Cantilever br Wings br Cantilever wings obtain br all its structural br strength from inside the wing br structure and requires br no external bracing. br br #2. Semicantilever br Wings br Semicantilever wings br obtain its strength from its br internal wing design and from br external support br and bracing from struts and wires. br br Table of contents: br br Topics Time br br Cantilever 00:18 br Semicantilever 00:29 br br Music: Song title - Bensound.