All internal and external surfaces of your condo are covered under the master policy, including attached fixtures, such as toilets and sinks. (valuepenguin.com)
If the density were high enough, they thought a bridge could form along the membrane that would allow an electron to cross onto external surfaces. (sciencedaily.com)
The case is designed to provide external surface security to your smartwatch without taking a toll on usability. (indabaa.com)