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).
Rank and Time of Service. For marines who have extensive experience with particular systems or equipment, there is the Technical Warrant Officer program. An applicant must be at least a sergeant with eight years active Marine Corps service or 16 years active Navy service.