Even better, you don't have to use any buffing pads or other special tools ... for deeper scratches where you would want a heavy cutting compound, but it's also so gentle that the manufacturer says it ...

In terms of design, we don’t think it gets much better. The Oppo Air Glass 3 looks like a proper pair of specs, and though they are a bit too big and heavy, they could certainly pass for normal ...

Melting and boiling are changes of state.