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 An Army warrant officer is an officer appointed by warrant of the Secretary of the Army, based on a sound level of technical and tactical competence. The warrant officer is a highly specialized expert and trainer who gains progressive levels of expertise and leadership by operating, maintaining, administering and managing the Army's equipment, support activities or technical systems. Becoming a warrant officer requires great skill in a specific occupational specialty. Army warrant officers must demonstrate leadership abilities and have the desire and dedication to perfect their technical proficiency through professional development, training and education.