A fluorescent lamp converts electrical energy into useful light much more efficiently than incandescent lamps. The typical luminous efficacy of fluorescent lighting systems is 50â100 lumens per watt, several times the efficacy of incandescent bulbs with comparable light output.
The Royal Australian Navy rank of warrant officer (WO) is the navy's only rank appointed by warrant and is equivalent to the army's WO1 (the equivalent of the army's WO2 rank is a chief petty officer).
Warrant Officers are technical and tactical leaders who specialize, throughout an entire career, in a specific technical area. The Army Warrant Officer Corps comprises less than three percent of the total Army. Although small in size, the level of responsibility is immense and only the very best will be selected to become Warrant Officers.