How to bend rebar<br>Understand the structural issues possible with manually-bent rebar and know how to avoid them. When you bend metal, you naturally weaken it. When done correctly, however, you can minimize damage and still get the shape you need to complete the project.

Based on that paragraph can we conclude that this sentence is true?
Bending metal doesn't weaken it at all as long as you do it correctly.

pick from the following. [I] Yes [II] It's impossible to say [III] No
[III]