Dizziness is often the result of dehydration. Dehydration can be caused by not drinking enough water generally or failing to rehydrate during and after exercise. It can also be an issue when you're suffering from an illness that causes vomiting, diarrhea or fever, which can cause you to lose a lot of fluid.. Move slowly. If you are prone to dizziness, it is important not to make any sudden movements, as moving too quickly can wreak havoc on your blood pressure. You should move slowly and deliberately when sitting or standing up, holding on to a stable surface such as a hand railing where possible.
An open hot wire is a black wire that is not making contact with an outlet. This prevents the proper closing of your circuit. It will usually prevent your outlet from working properly. Open hot wires can be caused by improper wiring installation, or they may simply become loose over time or from changing light fixtures.
Open-loop systems. Open-loop systems are set up to achieve desired results, but there's no way of checking if the results have been achieved. For example, an old-fashioned heating system might include: 1  input: an on-off switch. 2  process: boiler (water heater) and pump. 3  output: radiator.