Normal or 'traditional' reservists are the most common kind of reservist. They have 'drill weekends' one weekend of every month, and in addition they have to serve for two weeks every year. Their work is focused on training and staying ready to fly/fight in case they're ever needed to deploy.
DONG Energy (former names: Dansk Naturgas and Dansk Olie og Naturgas (abbreviated as DONG)) is an integrated energy company based in Fredericia, Denmark. It is Denmark's largest energy company. Above text from Wikipedia is available under the CC-BY-SA license.
Electromagnetic Energy. Electromagnetic energy is an invisible form of energy in the transverse wave form. Of the many types of energy in our universe, this form of energy is the only one that does not require a medium or matter to travel on or in. This form of energy can travel through empty space as a transverse wave.