A wire harness is a single cable covered by an exterior sleeve. The sleeve that encases the single cable is typically made of the same material used in a cable assembly. Wire harnesses are used in applications where the wire will not be exposed to environmental threats such as extreme heat, moisture, dust, or friction.
Maybe: Our eyes are designed to see things in 3d. When you look at a computer/book etc for a long time (a 2d surface) you can strain your eyes or get dry eyes. Every 20 minutes rest your eyes for 20 seconds by looking at something at least 20 feet away.
These infected bumps can be painful, but they are rarely dangerous to your overall health, or the function of the eye. These styes are typically filled with water and pus, and should not be popped forcefully, as the release of the bacterium can then spread and cause more styes in the eye. They typically last for a week, and will then rupture naturally and harmlessly, once the bacteria is neutralized by the bodyâs immune system.