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A system for production of water having dissolved ozone includes a water feeding section, a container part, an ozone feeding part for feeding ozone to a mixing part dissolving ozone in the water, the mixing part drawing water from the lower part of the container, an ozone measuring part for measurin

A system for production of water having dissolved ozone includes a water feeding section, a container part, an ozone feeding part for feeding ozone to a mixing part dissolving ozone in the water, the mixing part drawing water from the lower part of the container, an ozone measuring part for measuring the ozone concentration of the water in the container, a water pump for circulating the water from the lower part to an upper part of the container in dependence of the measured ozone concentration and from the ozone feeding section to the mixing part in dependence of a predetermined ozone concentration, the container having an outlet for water having the predetermined concentration of ozone.

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A system for production of water having dissolved ozone includes a water feeding section, a container part, an ozone feeding part for feeding ozone to a mixing part dissolving ozone in the water, the mixing part drawing water from the lower part of the container, an ozone measuring part for measurin

A system for production of water having dissolved ozone includes a water feeding section, a container part, an ozone feeding part for feeding ozone to a mixing part dissolving ozone in the water, the mixing part drawing water from the lower part of the container, an ozone measuring part for measuring the ozone concentration of the water in the container, a water pump for circulating the water from the lower part to an upper part of the container in dependence of the measured ozone concentration and from the ozone feeding section to the mixing part in dependence of a predetermined ozone concentration, the container having an outlet for water having the predetermined concentration of ozone. ed from the group consisting of polished sheet metal, metal coated plastic, and metal coated glass. 4. A method of focusing downlight of a fluorescent hanging light fixture consisting of; a--longitudinal light reflectors over each fluorescent light tube, b--said longitudinal light reflector extending the length of said fluorescent light tube c--cross section of said longitudinal light reflectors comprising an arc straddling said fluorescent light tube and at a space of 0.375 times diameter of said fluorescent light tube from said fluorescent light tube d--said arc of said longitudinal light reflector having a radius of 0.875 times the diameter of said fluorescent light tube and said arc ranging from 120° to 160° and e--sides of said longitudinal light reflector tangent at each end of said arc range of said reflector. 5. Fluorescent light fixture consisting of; a--longitudinal light reflectors, and each end of said longitudinal light reflectors attached to socket mount/wire raceway arms, b--said socket mount/wire raceway arms attached to ends of ballast channel assembly, c--light tube sockets for fluorescent light tubes mounted on said socket mount/wire raceway arms at each end of said longitudinal light reflectors in the concave side of said longitudinal light reflectors and d--said fluorescent light tubes inserted into said light tube sockets in the concave side of said longitudinal light reflectors, e--a plurality of said longitudinal light reflectors and each end of said longitudinal light reflectors attached to said socket mount/wire raceway arms, f--two of said socket mount/wire raceway arms attached one on each end perpendicular to ends of said ballast channel assembly, g--said light tube sockets for a plurality of said fluorescent light tubes mounted on said socket mount/wire raceway arms at each end of said plurality of longitudinal light reflectors in the concave side of said plurality of longitudinal light reflectors, h--said plurality of fluorescent light tubes inserted into said light tube sockets in said concave side of said longitudinal light reflectors, i--slots in said longitudinal light reflectors for indirect lighting and, j--suspending, by hanger wire/chain, assembly of said fluorescent light fixture. 19980424, 1998-065584 ers frangibly connected to said top. 5. The light fixture of claim 4 wherein said reflector is removably connected to said interior surface of said roof member. 6. A post top deck light fixture comprising a base portion, a roof and light emission area there between, a reflector mounted to the interior surface of said roof, said reflector having a plurality of sides depending from a top portion, each of said side removably affixed to said top portion, at least one light blocking portion frangibly connected to a lower edge of said plurality of side and positioned along at least one interior surface of said refractor. 7. The fixture of claim 6, said at least one interior surface of said refractor being light mission area. 8. The fixture of claim 7 wherein said light emission area is a refractor. 9. The fixture of claim 8 wherein said reflector and said roof are pyramidal. 10. The fixture of claim 9 wherein each of said side members of said reflector is separated from an adjacent side by a slit. 11. The fixture of claim 10 wherein said slit between said adjacent sides extends along an entire side edge of said side members. 12. A post top deck light fixture, comprising: a refractor affixed to a base member, said base member adapted to be mounted onto the top surface of a post top, said refractor attached to a roof member, said roof member having a reflector mounted on an interior surface thereof, wherein said reflector has a plurality of side members frangibly connected near a top portion of said reflector, at least one light blocking portion depending from a lower edge of each of said side members and separated from said side members by a perforated edge, each of said at least one light blocking portions covering at least one interior surface of said refractor. 13. The post top deck light fixture of claim 12 wherein said base member has a top wall and depending side walls forming a hollow area therebetween, said hollow area receiving said top surface of a post top. 14. A post top deck light fixture, comprising: a refractor affixed to a base member, said base member having a top wall and depending side walls and adapted to mount to a top surface of a post top, said refractor attached to a roof member, said roof member having a reflector mounted on an interior surface thereof, wherein said reflector has a plurality of side members, each of said side members frangibly connected to a top portion of said reflector and having a light blocking portion depending downwardly from a bottom edge, said light blocking portion disposed within said refractor and inhibiting light from passing there through, at least one light blocking portion depending from a lower edge of said side members and separated from said side members by a plurality of perforations, said light blocking portions each disposed along an inner surface of said refractor. 15. The light fixture of claim 14 wherein said light blocking portion is separated from said side member by a plurality of perforations. 16. The light fixture of claim 14 wherein said reflector and said roof are pyramidal in shape. 17. A post top deck light fixture, comprising: a base having a top surface and side surfaces; a refractor mounted to said base and extending to a roof; a user-adjustable reflector having at least one removable side member receivably mounted adjacent an inner surface of said roof; said roof removably fastened to said refractor; said reflector having at least one light blocking portion depending downwardly from a perforated bottom peripheral edge of said side member and disposed against at least one interior surface of said refractor. 18. The post top deck light fixture of claim 17, wherein said reflector further comprises a light blocking member depending from a peripheral edge of said reflector. 19. The post top deck light fixture of claim 18, wherein an internal prismatic surface has vertically extending prisms and an external prismatic surface having horizontall